The first settlers in north america were from which area of the world? a. asia b. africa c. south america d. europe

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?

What first caused people to consider that the continents were once one large landmass?