Which statement summarizes the law of superposition? A. The top layer of rock in a rock formation is the oldest.

B. The oldest rock is found in the bottom layer of a rock formation

C. The rarest elements are found in the lowest layer of a rock
formation.

D. The densest layer of rock in a rock formation is the bottom layer.

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary