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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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What is an Swave shadow zone?
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Answer:

answer is d I telling my own

8 0
3 years ago
Plants use what 5 things to produce glucose and oxygen
AlexFokin [52]
<h2>Answer:</h2>

Plant uses these 5 things to produce glucose and oxygen;

  • <em>Light energy: </em>
  •                         The source of light energy is sunlight for photosynthesis.
  • <em>Carbon dioxide :</em>

<em>                                     </em> It is the source of carbon and oxygen for glucose

  • <em>Water:  </em>

                     It is also compulsory for giving hydrogen for making glucose.

  • <em>Chlorophyll:  </em>

                             A green pigment present in leaves mostly for absorbing sun light.

  • <em>Accessory pigments:</em>

                                              Carotenoids are red, orange, or yellow tetraterpenoids.

7 0
4 years ago
The half life of C14 is 5730 years. I have a sample that I dug up from a sea cucumber fossil. I expected .00015ppm of C14 in my
Tju [1.3M]

Answer:

The answer is 17190 years

Explanation:

Original amount was 5730. To become 1/8 of the original amount, three (3)  half life periods will demand because after first half life the amount will become 1/2 and after second half life, amount become 1/2 again (1/2 x 1/2 = 1/4).  Third half life, the amount become half 1/2 again (1/2 x 1/2 x 1/2 = 1/8).

For the 3 half life periods we have original amount x numbers of half life periods = 5730 years x 3   =  17190 years

8 0
4 years ago
Which materials are excreted through sweat glands in the skin?
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Answer:

salt, urea, and water

6 0
3 years ago
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Humans, monkeys, and other primates have more physical characteristics in common than they do with other mammals, like horses, d
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<span>D. Primates have larger, forward-facing eyes and smaller noses than most other mammals.</span>
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3 years ago
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