Answer:
Its Obviously Dinosaurs
Explanation: They died 65 million years ago
Endothermic reactions<span>. An </span>endothermic reaction occurs <span>when the energy used to break the bonds in the reactants is greater than the energy given out when bonds are formed in the products. This means that overall the </span>reaction<span> takes in energy, therefore there is a temperature decrease in the surroundings.</span>
Then it is called PARTIAL IONIC BOND.
The black swirly one, on the bottom right, is black hole. The one with rays coming out of it, the one next to the black hole, is super nova. Thats all I know im srry...