An atomic battery serves the purpose of being a very long lasting battery without a nuclear chain reaction. Like any other battery, it's used for electricity.
I totally agree with this one: c:John Roebling—Telephone switchboard. His work is connected with bridges.
Answer: Companies are cutting down trees to make space for factories and produce paper products.
Explanation: when people finish using paper products they throw them away and the paper products get burned, and that produces carbon dioxide
Answer:
Frogs breathe (and expel mucus) through their skin.
Answer:
C: Converting radiant energy into chemical energy.
Explanation:
Only plants (producers) in a typical ecostystem can convert radiant energy into chemical energy.
