The mantle is actually a liquid. The intense heat of the core of the Earth causes the mantle to move in convection currents.
Answer:
Option(2) is the correct answer to the given question.
Explanation:
The barometers are used to determine the air pressure at the present location. If the barometers shows high pressure this simply means that weather is clear also the barometers showing the low pressure that directly proportional to the weather is bad.
- In the bad whether there are lots of the chances of raining.
- All the other options are not correct for the bad weather that's why these are incorrect option .
The general flow of air from the the poles to the equator occurs in the stratosphere.

subtract 8 from both sides leaving

combine -2x+-8x =-10x

divide both sides by ten