Answer:
I say the correct answer is the 3rd one.
Explanation:
Answer is number 3
C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
Explanation:
plants that are shorter and need little to no soil are most efficient. Lichens, which are part fungus and usually part algae, don't need extensive root or water-transportation system
Answer: A
Explanation: The elements in the compounds get rearranged. You can't change the amount of hydrogen, oxygen, or carbon the product contains
