How does the atmosphere balance the unequal heating of earth's surface

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?