Which part of an atom has most of its mass?
a. electrons
b. neutrons
c. nucleus
d. protons

The use of dna as evidence in criminal investigations became possible because of the

The negative impacts of nonnative species generally outweigh the positive impacts

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.