Answer:
Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy
Explanation:
Answer:
I think Experimentation :)
Explanation:
apologies if its incorrect.
Answer:
The respiratory system enables oxygen to enter the body and carbon dioxide to leave the body.