____________ sediments were formed in the place they now occupy. Fill in the blank(s) with the appropriate word(s)

If a neutral element has the following chemical symbol, how many electrons does it have? U

A) 92 B) 82 C) 235 D) 143 E) none of the above

Bauxite forms as the result of intense weathering in tropical areas. Indicate whether the statement is true or false

Which of the following is the earliest (oldest) chapter of geologic time?

A. Mesozoic B. Precambrian C. Paleozoic D. Cenozoic

In 2017, the projected population of the USA is projected to increase by ________ over the next 5 years.

A. 4.5 million B. 450 thousand C. 45 million D. 450 million