What do you think the term "tectonically stable" means? Why do you think this rock formation is important to understanding the history of Earth? Do you think studying ancient rock formations such as the Kaapvaal craton can teach scientists not only about Earth's past but also its future? Why or why not?

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

answer; i believe the answer is (polygenic inheritance;

and after water is usually warmed by the sun the water temperature raises and then evaporates .

a lot of people sadly don't know the best way to learn is cheating off of your friends or this amazing thing called google