Which material do humans not rely on soil to help provide? A: Aluminum for cans
B: Cotton for clothing
C: Trees for lumber
D: Vegetables to eat

Which of the following represents a negatively charged ion? of t 7

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water