Answer:
A
Explanation:
I hope this helps :)
The soil could become infertile due to the lack of time for nutrients to be reinserted. So, the correct option is (A).
What is Soil?Soil is also defined as earth or dirt which is a mixture of organic matter, minerals, gases, liquids and organisms which together support life. These are distinguished from silt by restricting the former term specifically to displaced soil.
It provides many important services for both people and the planet by putting food on our plates, purifying our water, protecting us from floods and combating drought. Soil is also important in combating climate change because it captures and stores large amounts of carbon. Without healthy soil there is no food security.
Whereas growing the same crop year after year reduces the availability of certain nutrients and depletes the soil. Monoculture leads to soil exhaustion when the soil becomes deficient in these nutrients.
Thus, the soil could become infertile due to the lack of time for nutrients to be reinserted. So, the correct option is (A).
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The energy that fuels food webs begins as light energy from the sun. True or False
Answer: i think its true. ( based of information i got)
Explanation: The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs. also A food web consists of many food chains. A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.
sorry if this was not what u were looking for or this is incorrect!:( have an nice day! UwU
♡ The Question ♡
-The energy that fuels food webs begins as light energy from the sun. True or False?
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♡ The Answer ♡
-True!
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♡ The Explanation/Step-By-Step ♡
-No Explanation/Step-By-Step provided!
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♡ Tips ♡
-No tips provided!
Emily's dog has puppies. 3 puppies are brown and 2 puppies have spots. The difference in their coat color is known as A trait B feature r variation
Answer:
What
Explanation:
Answer:
This is known as A. Trait
Double stranded is a characteristic of
1. DNA
2. RNA
3. Both DNA and RNA
4. Neither
1. How does the cell membrane allow animals to move without rupturing the cells in the body?
2. How does a cell membrane allow some molecules to pass right through the membrane?
3. Why is it important the some molecules (oxygen and carbon dioxide) be allowed to pass through the cell membrane without the use of a transport system?
4. How does the cell membrane allow the cell to reproduce into two separate cells?
5. In the lab, small bubbles would merge with the larger bubbles. How does this property of cell membranes demonstrate how a vesicle can transport substances from one organelle to another?
6. Cells require molecules that cannot simply pass through the cell membrane. Explain how the cell can use proteins to transport these molecules across the cell membrane.
.
Explanation:
1)The cell membrane functions as a semi-permeable barrier, allowing a very few molecules across it while fencing the majority of organically produced chemicals inside the cell. Electron microscopic examinations of cell membranes have led to the development of the lipid bilayer model (also referred to as the fluid-mosaic model). The most common molecule in the model is the phospholipid, which has a polar (hydrophilic) head and two nonpolar (hydrophobic) tails.
2) simple diffusion across the cell plasma membrane. The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down the concentration gradient is , by simple diffusion.
3) some molecules, such as carbon dioxide and oxygen, can diffuse across the plasma membrane directly, but others need help to cross its hydrophobic or however, because they are charged the polar, they can't cross the phospholipid part of the membrane without help .
4) during fission a copy of the DNA is made and attached to the cell membrane as well. As this cell elongate in preparation for fission, the two DNA copies are pulled apart two opposite ends of the cell. New membrane material is deposited between the two ends of the cell, and a new wall grows between them .
5) UMASS STEM-ED From Bubbles to Cell Membranes Workshop. Bubble ... dynamic nature which can't be properly appreciated in a static textbook. ... the small thread through one of the straws.
6) example of passive transport and active transport across a cell membrane so, cell membranes are semipermeable meaning they have control over what molecules can or cannot pass through. Some molecules can just drift Inn.
Air at 1 atm was closed into a rigid container. It was then heated to a temperature of 911
K. The pressure inside the container was measured to be 2.7 atm. What was the initial
temperature of the gas (in Kelvin)? Round answers to the ones place.
Answer:
Final temperature, T2 = 2460 Kelvin.
Explanation:
Given the following data;
Initial pressure = 1atm
Final pressure = 2.7atm
Initial temperature = 911K
To find the final temperature, we would use Gay Lussac's law;
Gay Lussac law states that when the volume of an ideal gas is kept constant, the pressure of the gas is directly proportional to the absolute temperature of the gas.
Mathematically, Gay Lussac's law is given by;
[tex] PT = K[/tex]
[tex] \frac{P1}{T1} = \frac{P_{2}}{T_{2}}[/tex]
Making T2 as the subject formula, we have;
[tex] T_{2}= \frac{P_{2}}{P_{1}} * T_{1}[/tex]
Substituting into the equation, we have;
[tex] T_{2}= \frac{2.7}{1} * 911[/tex]
[tex] T_{2}= 2.7 * 911 [/tex]
Final temperature, T2 = 2459.7 ≈ 2460 Kelvin.
1.An increase in the population of an organism would most likely be associated with which of the following?
A.an increase in animals that prey on an organism.
B.A decrease in necessary resources.
C.An expansion of suitable living space.
D.A series of severe weather events in the habitat.
Answer:
a series of severe weather events in the habitat
An increase in the population of an organism would most likely be associated with a series of severe weather events in the habitat. The correct option is D.
What is the population?A collection of creatures from the same species that can interact to create fertile progeny. It is on a level above organisms but below the ecosystem and community.
An ecosystem is a level of organization where several communities of various species and the associated abiotic elements interact. It is the place where different population interacts with each other.
A biosphere and a biome are larger organizational levels than this one. Communities are levels of the organization where various populations coexist and engage in social interactions.
Therefore, the correct option is D. A series of severe weather events in the habitat.
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choose all that apply.
The heart ___.
pumps blood to the body.
has four chambers.
is part of the cardiovascular system.
is made of skeletal muscle.
works with the respiratory system.
(you can pick more then one!)
The person above is right!
what are the effects on the ecosystem and what is being done to help
Answer:
A lot of ecosystems are dying because of deforestation and climate Change, but there are some organizations out there like 4ocean that clean up the ocean and restore the enviorment.
Explanation:
A(n)
bond forms between a hydrogen atom with a partial positive charge on one
molecule and another atom, such as oxygen, with a partial negative charge on an adjacent molecule.
Answer:
Due to difference in the values of electronegativities.
Explanation:
A covalent bond is formed between hydrogen atom with a partial positive charge on it and another atom, such as oxygen, have a partial negative charge on an adjacent molecule. This is because of the difference in the values of electronegativities. The hydrogen atom has lower electronegativity value as compared to oxygen so the shared pair of electron is slightly attracted by oxygen atom towards itself and formed partial positive charge on hydrogen and partial negative charge on oxygen atom.
Answer:
hydrogen
Explanation:
Which of the following cell types is haploid?
O body cell
O sperm cell
O skin cell
O liver cell
Answer: sperm cell
Explanation: haploids only contain one set of chromosomes (not paired)
Where in the cell does the second stage of cellular respiration take place?
Answer: the matrix
Explanation:
7. Explain why it is important for animals to be able to communicate with one another in order to mate and reproduce.
Differences between blood cells and cheek cells?
Answer:
Human red blood cells Human cheek cells Does not have nucleus. Have nucleus. Biconcave shape. ... Animal cells do not have cell wall and the cells are in irregular shape whereas plant cells have cell wall and the cells are in regular shape.
Explanation:
Goodluck
arm
QUESTION 9
Cooler air can hold less water than
warm air.
ast
O TRUE
old air
een
O FALSE
and
QUESTION 10
cheferant in many
Answer:
9 true
Explanation:
Carbonized fossils are made of:
O the carbon remains of the original organism
O carbon which replaced the plant or animal
O a cast of coal
O a mold left in coal
Answer: are the substance left after the organism was buried.
Explanation: I know this is not a answer but the carbon is rapidly buried until its rock.
what is the base-pair rule for a DNA strand matching an RNA strand?
Explanation:
The base pairing of guanine (G) and cytosine (C) is just the same in DNA and RNA. So in RNA the important base pairs are: adenine (A) pairs with uracil (U); Guanine G() pairs with cytosine (C).
The Chargaff rule only holds true for DNA. Base pairing doesn't take place since RNA is single-stranded. Consider a DNA strand.
What make base pair unique in DNA and RNA?Compare the two DNA strands' base-pair rules to this one. Since uracil is absent from DNA, T and A complement one another. In contrast, T bonds with A and A bonds with U in a DNA/RNA match.
Important: It serves as the foundation for base pairing. This rule can be used to both determine the DNA strand length and if a base is present in the molecule.
Adenine and thymine are always equal, and cytosine and guanine are also always equal, allowing us to calculate the percentages of each base.
It assists in figuring out the makeup and structure of DNA in various species. It is constant within a species.
Therefore, the base-pair rule for a DNA strand matching an RNA strand.
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What is a lightyear?
A: It is the distance that light can travel in one year.
B: The distance between the Earth and the Sun
C: Distance between the Earth and the Moon
D: None of the above
Answer:
A) It is the distance that light can travel in one year
Explanation:
A lightyear is a measure of distance used for all light in space.
Answer:
A
Explanation:
note that a light year is a distance, not a time
Which part of a plant is the least complex
Answer:
Cells are the least complex part of a plant :>
Explanation:
Drag and drop the words or phrases that best complete the
paragraph.
Enzymes are important
in your cells that
important biochemical reactions such as
building muscle or breaking down large food molecules.
Enzymes are often called a
because they
can
the speed of an biochemical reaction.
Scientist often measure how quickly biochemical reactions
occur in cells. The time it takes for a biochemical reaction to
start and finish is known as the reaction
rate
proteins
decrease
catalyst
increase
carbohydrates
speed up
Answer:
Look below
Explanation:
Enzymes are important proteins in your cells that speed up important biochemical reactions such as building muscle or breaking down large food molecules. Enzymes are often called a catalyst because they increase can the speed of an biochemical reaction. Scientist often measure how quickly biochemical reactions occur in cells. The time it takes for a biochemical reaction to start and finish is known as the reaction rate
Enzymes are important proteins in your cells that speed up important biochemical reactions such as building muscle or breaking down large food molecules.
How are enzymes important for biochemical reactions?Enzymes are often called a catalyst because they increase can the speed of a biochemical reaction. Scientists often measure how quickly biochemical reactions occur in cells. The time it takes for a biochemical reaction to start and finish is known as the reaction rate.
Enzymes share two key characteristics with all other catalysts. First, they speed up chemical processes without being eaten or irreversibly changed by the process. They also speed up reactions while maintaining the chemical equilibrium between reactants and products.
Therefore, the enzyme acts as a catalyst to speed up a biochemical reaction.
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Which of the following is not a property of persistent organic pollutants (POPs)?
a.
They have carbon-based molecular structures.
b.
They do not break down easily in the environment.
c.
They are insoluble in fat.
d.
They are polluting and toxic.
Answer: C
Explanation:
got a 90 on the quiz but correct if wrong
As human populations grow, do you think deforestation will continue to increase, or do you think it will decrease, and why? This subject is for Environmental Science btw
Answer:
Deforestation will increase do to the need of more homes
Explanation:
What was difficult about measuring the 3x5 card? Why?
Answer:
can you give me some answers
Explanation:
Which pathway would occur faster, and why is this advantageous?
Answer:
ok
Expl
yes because it is ...-.-..---.-.---./.-.-.-./-..--...-..-
What is the name of the person who studies everything to know about “witches”?
Match the words to the definitions
Answer:
The male sex cell match with sperm.
The new cell that forms from fertilization match with zygote.
A type of reproduction in which the genetic materials from two different cells combine, producing an offspring match with sexual reproduction.
Which the following should go where the X is?
A
pharaohs
B
farmers
astronomers
D
generals
Answer:
B
Explanation:
Radiocarbon dating uses a radioactive isotope of the element _______
determine the ages of old objects.
Radiocarbon dating uses a radioactive isotope of the element carbon to determine the ages of old objects.
Why do paleontologist study fossils ?
Answer:
Paleontologists study fossils so that we can understand the evolution's from past species to the current ones. It also opens a window to discovering exactly how long earth has been around by finding out the age of the fossil itself. Though paleontology has been in the decline recently, and i'm sure we haven't found out all we need to know from these fossils.
Explanation:
match these to the correct definitions pls
Answer: one set - sex cells / two sets - somatic
Explanation:
what do both prokaryotic and eukaryotic cell contains a)linear chromosomes b)nucleus c) cytoplasm d)membrane bound organelles
Answer:
c) cytoplasm
Explanation:
