Choice-a is a very rubbery, imprecise, ambiguous, slippery statement. But it's probably less wrong than any of the other choices on the list.
Explanation:
Exothermic reaction are those in which heat releases during a reaction
... without changing the speed of the object, then
we will not have to wait so long for the object to get
where it is going.
Makes the temperature rise and causes radiation that is primarily absorbed by gasses and water vapor in the atmospher
Answer:
C, 4.5 billion years ago, i think
Explanation: