I would say all three, so A. But it is definitely the second two!<span />
Answer:
B. It takes less energy to recycle an item than to make a new one.
Explanation:
Because it uses less energy, it requires less power. Where do we get power from? Generally, fossil fuels. So, using less energy means less greenhouse gas emissions and therefore less carbon dioxide released into the atmosphere.
Answer:
Van Lew's roles and responsibilities were sometimes too much for her to bear. Van Lew contributed to the development of systems and structures for spies.
Explanation: