Compared to the atoms in an ice cube, the atoms in an equal amount of liquid water have kinetic energy
a. less
b. more
c. the same amount of

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca