I look like this. Anyone wanna hook up.

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

What statement is true about all chemical changes? a) chemical changes can be undone. b) chemical changes cannot be reversed. c) chemical changes change the color of objects. eliminate d) chemical changes do not form new products.

What drifted apart millions of years ago to create two different worlds