Solid chunks of food take about how many hours to digest in your stomach? A) 1
B) 3
C) 4
D) 6

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?