Answer: Life
Explanation: heres the depression hotline number 800-273-8255
Answer:
Depends on how much you want to learn really, schools usually just make you learn all sorts of parts of the subject. Some that could be necessities and some that you would rarely use.
Explanation:
Oxygen is one product of photosynthesis.
Water is needed for photosynthesis.
Carbon dioxide is needed for photosynthesis.
Chlorophyll makes the plant green and absorbs the sunlight.
That leaves oxygen.
