Shannon drove her car 140 miles east at a rate of 70 miles per hour. how long did she travel? a) 1 hour b) 2 hours c) 20 hours d) 20 minutes

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.