Answer:
D)
The city of Chernobyl in Ukraine was the site of a nuclear explosion in 1986. Dozens were killed immediately, but the massive amounts of radiation that resulted put the lives of millions of people in danger. Thousands have since died due to the effects of the radiation.
The answer is true ofcourse
Prime numbers are numbers that are only divisible by 1 and themselves. So, to tell if a number is prime, look at its factors.
19:
1 x 19
29:
1 x 29
39:
1 x 39
3 x 13
So, because 39 has more than one set of factors, it's NOT a prime number.
Answer:
A
Explanation:
Tectonic plates move around and when they collide upward, they create mountains and volcanoes, mountains become much taller because there is an absence of magma pockets. Volcanoes usually form when pockets of magma rise to the surface with activity below the earth's crust.