7th Grade Science common exam

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Why does the troposphere experience the greatest amount of atmospheric pressure compared to the other layers?

What weather conditions will most likely occur when there is a drop in barometric pressure?

The air around a high pressure area circulates

The ozone layer in the stratosphere protects our planets and its inhabitants from:

In which part of the atmosphere do satellites orbit making it possible for us to watch live television?

Which of the following contribute to global warming by trapping heat near the Earth’s surface?

How much of the world’s current levels of acid rain originates in human actions such as the burning of fossil fuels?

Which layer of the atmosphere is an airplane in when it his cursing at 40,000 feet in the air