Don't see any graph but can surmise:
1. The line which rose dramatically prior to the Cambrian explosion-the time of the oxygen poisoning, must be oxygen. The line which concurrently fell must represent CO2.
2. Living cells increased oxygen and decreased CO2.
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3, oxygen diminished to an extent, CO2 increased, as cyanobacteria take in co2 and give off oxygen </span>
Your answer is D.
it says i need 20 characters, but anyways the answer is totally D.
The correct answer is C :)
The insects obvi bc they need food
Answer:
Ribosomes create the thermoreceptors of the body. Another example of a homeostatic condition maintained by proteins is blood-glucose levels. When our blood-sugar levels get too high, specialized cells in the body release a protein hormone called insulin.
Explanation:
Hope This Helps
Have A Great Day
~Zero~
