The answer is A because yeah
Pyruvate
Should be your answer
True vocal cords is the answer <span>ʕ•ᴥ•ʔ</span>
<span>The correct answer is b. Option a is incorrect because these models can demonstrate scientific theories, but they don't prove scientific theories (you would need experiments for that). Option c is incorrect because the models aren't always representing something abstract (i.e. DNA is very real, just very small). Option d is incorrect because they don't precisely mimic something in nature, but instead help us visualize something in nature that is difficult to see or comprehend.</span>
Both help the planet but algae can do it way faster.