Through which process are oxygen atoms made available to the cells of
animals?
A. Respiration
B. Diffusion
C. Evaporation
D. Percolation

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

What maintain homeostasis when a persons internal body temperature is 97.5°f

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.