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Anvisha [2.4K]
3 years ago
7

2.4.4 discuss investigate how pollutants affect plants environmental science sem 2 this worksheet will help you orgainize your t

houghts for the discussion write down some notes on the questions prompts below topic 1 the experement write a brief summary of the main steps you took in the investigation be sure to include any adjustments that you made to the procedure and why you made them
Biology
1 answer:
nadya68 [22]3 years ago
6 0

Answer:

this is old

Explanation:

right

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1. lungs

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Electrons, protons, and neutrons are three subatomic particles of an atom. If the atom undergoes a change and becomes a positive
Viktor [21]
C because when in doubt, ´c´ it out 

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How do the colors of light affect photosynthesis? Which color was most efficient, medium and least?
Virty [35]

Answer:

blue is the most efficient while green is the least efficient  

Explanation:

It is well known that different photosynthetic pigments can absorb light at different wavelengths. Thus, the amount of light absorbed during photosynthesis depends on the color of the source light. The leaves have green color because chlorophyll is a photosynthetic pigment that absorbs light at all wavelengths and reflects green light. The best wavelengths are those at 430–450 nm (blue range) and 600–700 nm (red range), thereby photosynthesis is most efficient when plants are illuminated by light sources that emit blue and red lights. Moreover, sources that emit light at the green wavelength are least efficient for photosynthesis.

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3 years ago
Which two structures would provide a positive identification of a plant cell under a microscope
nydimaria [60]

Answer

D: cell wall, Chloroplast

Explanation:

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<u><em>The source of sunlight is the main source of energy and if there will be more sea weed trapping sunlight then there will be a competition between seaweed and coral reef. So, the natural reason for the decreased biodiversity is an overgrowth of the seaweed population which prevents the light from reaching the reef. </em></u>

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