Would a ration with 30% dry matter be suitable for a 120lb Suffolk ewe who consumes 12 pounds of feed per day?

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air