Which would be the best approach for a student to use in determining whether an unidentified block is made of metal?
A checking its color
B. determining its mass
C. determining its weight
D. checking its conductivity

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Which event would lead to primary succession of a forest?

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis