Ways in which a gorge can be formed

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

What is the name of the ocean current that affects the british isles? how does it influence their climate?

5. what is a red giant? can our sun become a red giant? why or why not?