Answer:
because it has both endocrine and exocrine functions .
False. The bigger it is, the heavier it is, and gravity would pull it down faster.
All energy sources have some impact on our environment. Fossil fuels—coal, oil, and natural gas—do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.