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tino4ka555 [31]
3 years ago
10

Please answer the first question

Biology
2 answers:
melomori [17]3 years ago
5 0
What the graph shows about the activity of an enzyme is, it increased and then decreased.
alex41 [277]3 years ago
5 0
The answer is C because 7PH is neutral and enzyme activity is at the highest when it’s at seven
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Which of these characteristics is shared by algae and seed plants?
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Which is a tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells?
Lemur [1.5K]
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Student provides an explanation for carbon dioxide fluctuations for different seasons of the year. ( 2 points)
jeka57 [31]

Carbon dioxide fluctuations occur for different seasons of the year due to the presence of plants in an area.

<h3>Why carbon dioxide fluctuations occur for different seasons of the year?</h3>

The carbon dioxide levels in the atmosphere moves up and down every year when plants use carbondioxide gas through the process of photosynthesis and respiration. Plants take up the carbondioxide gas in the spring and summer season and release it in fall and winter season. In this modern world, the level of carbon cycle is increasing because more carbon dioxide is emitted from burning fossil fuels and other human activities.

So we can conclude that carbon dioxide fluctuations occur for different seasons of the year due to the presence of plants in an area.

Learn more about season here: brainly.com/question/15734021

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3 0
1 year ago
Can someone please help!!!! #3
baherus [9]

Answer:

b it does not really help structural support that is more a cell wall thing

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