A) Determine the density of the book and the wood block. These would be considered regular solid objects. Measure the mass and volume, and using D=m/v, find the density. Be sure to include the correct units! Book: Mass = Volume Density = Wood Block: Mass = Volume = Density = someone please help me to do my high school lab. Their putting in final grades after 3 days

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.