A gray rock composed of a number of different fossilized organisms such as crinoids, trilobites, and
brachiopods, you pour some hydrochloric acid on the rock and notice that it reacts to
the acid.

Iam stuck on this question! 45 points : ) how do increases in temperature affect the density of ocean water? answer choices: (a) density does not change (b) density increases (c) density becomes variable (d) density decreases

Which of the following is defined as combinations of soil particles that vary in size and shape?

Why is immigration so important today?