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WARRIOR [948]
2 years ago
7

What is causing the roots of a plant to grow downward

Biology
1 answer:
makkiz [27]2 years ago
8 0

Answer:

Geotropism is the influence of gravity on plant growth or movement. Simply put, this means that roots grow down and stems grow up. ... In this case, the stimulus is gravity. Upward growth of plant parts, against gravity, is called negative geotropism, and downward growth of roots is called positive geotropism.

Explanation:

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Which of the following statements is true?
Lelu [443]

Answer:

The true statement is: "Spring tides are the highest, while neap tides are the lowest."

Explanation:

  • The range of difference in the level of water between high and low tide is always larger in spring tide.
  • Neap tides are the moderate tides. It does not have huge difference in higher and low tides because the bulging of the ocean ( by the sun)  balances the bulge of the ocean caused by the moon.
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What practice should an obese individual on a diet carry out
erastova [34]

Some foods and eating patterns may make it easier to keep obesity in check.  Healthy food choices and diet patterns that help prevent heart disease, diabetes, and other chronic conditions may also help to prevent weight gain.  

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6 0
3 years ago
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A. If you were designing a pigment to maximize light capture in a new kind of solar array what light absorbing properties would
viktelen [127]

Answer:

Following are the solution to the given points:

Explanation:

In point a:

When a light absorption dye was to be introduced to optimize the plant's absorbing capacity, the paint could absorb wide different wavelengths besides the observable light spectrum. It must also absorb the UV only at IR light rate to maximize the fluorescence intensity.

In point b:

Its molecule in the production of pentose sugar is the nitrogen and hydrogen atoms of carbon dioxide and water ions of air. Its water oxygen atoms are emitted through oxygen atoms during this phase.

In point c:

Its plant increased with weight while decreasing the weight of the earth, so because manufactured goods needed for plant growth are carbon dioxide from water and air, provided to a plant every day and nitrogen extracted from of the atmosphere through means of microbial materials into nitrogen. So, even if the plant raised its weight, the soil does not change the weight.

5 0
2 years ago
Which substance can enter a cell by diffusion
lara [203]
Answer;
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Explanation;
Diffusion involves the movement of molecules from a region of high concentration to a region of low concentration, down a concentration gradient.
Water is able to diffuse through the cell membrane without being digested since it has small molecules.
One property of cell membrane is semi-permeability; it selectively allows material to enter or leave the cell. Large molecules such as starch , fat and proteins, can not enter the cell due to their size and will need to be digested to small molecules for the to gain access to the cell. 
4 0
3 years ago
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