living things are made up of very complicated molecules. why is carbon important for forming these complicated molecules?

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

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

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above