Mendel wanted to find out if the color of the seed of a pea plant affected the seed shape. what experiment did he perform to test this idea?

Select all the true statements about the cosmic microwave background radiation

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Which characteristics must an object possess in order to be considered alive?