Ture or false 1.a funnel cloud is the same as a tornado. 2. as a rotating system’s mass distribution tightens, its rotation rate increases. 3. the majority of lightning strikes are cloud-to-ground. 4. large hailstones sometimes have a layered structure. 5. microbursts can sometimes have wind speeds of up 100 miles per hour.

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.