What is the difference between acid rain and acid deposition
a. there is no difference between the two terms.
b. acid rain is a border term that applies to many forms of acidity.
c. acid rain is a form of acid deposition.
d. acid deposition only applies to non-liquid forms of acidity.

What role do traits play in affecting an organisms ability to reproduce? finches

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

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.