Carbon is a key element in many molecules that make up living creatures. The carbon atoms in your body .

A - Were created during the Big Bang
B - Were created when dinosaurs died and were buried by mud
C - Have existed since the beginning of time
D - Were created inside of ancient stars

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

The grooves or folds of the brain are called