PLEASE HELP I NEED AN A FOR THIS TO PASS which statement provides evidence that supports the idea that energy is conserved in this closed system

After a car's engine has been running for a while, if you stand near the car's engine you can often feel heat coming from the engine as a result of a. radiation b. convection c. conduction

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons