Differences between skeletal muscle endocrine and respiratory

How are carbon dioxide emissions affecting the earths natural cycle of temperature change? plz apex

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

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.