<h2>Answer: Option D</h2><h2 />
Option A, "a large swirling, low-pressure system that forms over the warm Atlantic Ocean" is incorrect because tornadoes do not form over water. That would be a hurricane.
Option B, "a winter storm with wind speeds of at least 56 km/h and low visibility" Is incorrect because tornadoes do not form in cold weather. That would be a blizzard.
Oa boundary between two air masses of different density, moisture, or temperatureption C, "a violently rotating column of air in contact with the ground" is correct <u>because tornadoes are columns of air that rotate due to warm air and cold air colliding.</u> They usually occur during a thunderstorm.
Option D, "a boundary between two air masses of different density, moisture, or temperature" is incorrect because tornadoes are not based on air mass, density, moisture, or temperature. This would be a front.
<h2><em>Answer:</em></h2><h2><em>B. Death through new diseases</em></h2><h2><em>Explanation:</em></h2><h2><em>PLEASE mark me brainleys</em></h2>
Answer:
That's more than 275 million stars per day in the observable universe. Stars keep themselves fueled. They fuse elements together to make new elements. ... Once the star runs out of hydrogen, the helium atoms fuse together to make carbon.
3 looks like the best option
California, New Mexico, Texas, and Arizona all border Mexico!
