Answer:
The early Earth was very different from the Earth of today. The atmosphere was rich in hydrogen, which was critical to the chemical events that later took place. According to one scientific hypothesis, soupy mixtures of elements important to life, such as carbon, nitrogen, oxygen, and hydrogen, were concentrated in warm pools bathed in the ultraviolet rays of the sun.
Explanation:
They help to break down substances into a harmless substance that can be used by the body. without enzymes your body could not break down these substances.
Answer:
plantea
Explanation:
because it is able to preform photosynthesis