What is the average adult's resting heart rate?
90-120 bpm
75-95 bpm
20-40 bpm
50-80 bpm

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

Acommon kind of mechanical weathering is called