Which statement best defines a universal law?
a: it is in effect at all times.
b: it changes over time.
c: it operates only under specific conditions
d : it is in effect some of the time

the answer is b

explanation:

the eggs of the insects should be the first thing collected at the scene.

false

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.