Because cars use oil and oil is a fossil fuel. And when you drive the engine heats up which make the smoke come out of the exhaust pipe and it gets into the air and pollutes which is dangerous for any creature that flies.
The answer is d thunderstorms
D) Territory
For example Puerto Rico is its own country but is territory of the United States.
Basically the Earth is layered because of gravity. The earth formed in the molten state. The liquid iron which is very dense fell to the center. The rest of the earth is made up of silicate materials with SiO2 being the main component.
hope this helps!
The Trump administration plans to immediately turn back all asylum seekers and who attempts to cross the southwestern border between the legal ports of entry. We looked at more than 2,000 ill children across China, where the pandemic began. We compiled some helpful hints about how to keep safe.
