Achange in position over time is called

a. reference
b. motion
c. shift
d. orientation

Choose the molecule that is described by each phrase. energy used during long activities:

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming