Which of the following is not true about the importance of the carbon cycle to living things?

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

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred