Where does the food that animals and people eat come from? only animals that eat plants
only plants
plants and animals that eat plants
only animals
PLEASE HURRY I WILL REPORT LINKS BTW

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

Which describes the habitat of a frog?

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.