7th Science Chapter 2 & 3

Density is a measure of how much mass is contained in a given ___________

True or False: When muscle cells run low on oxygen, lactic acid fermentation takes place.

The metric system of measurement is based on the number A. 1 B. 10 C. 12 D. 10

Almost all living things depend on the process of ____________ to supply them with the energy they need.

Plants make their own food using energy that comes from the ________