Fossils on one continent may be similar to fossils on another continent. this observation supports which theory?

What’s a example of extrusive rock that cooled to quickly for grains to form

Agram of fat oxidized by cellular respiration produces approximately as much atp as a gram of carbohydrate.

S, tall stems (t) is a dominant trait while short stems (t) is a recessive trait. in a field of 1000 sunflowers, 820 are tall plants and 180 are short. which statement best describes the genotype of the sunflowers in the field?