Heat is a byproduct of muscle activity. this heat allows a) microorganisms to exist in extreme climates. b) cold blooded creatures such as reptiles to inhabit cold regions. c) the human body to maintain its internal temperature in hot weather. d) the human body to maintain its internal temperature in cold weather.

How had the study of mitosis affected scientists knowledge of cancer

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Match each term to its best definition? sedimentary depositional enviornment