Which statement about neutrons is true?

A. Neutrons travel around the nucleus of an atom.

B. A neutron has no charge.

C. Neutrons have less mass than electrons.

D. The number of neutrons in an atom always equals the numbers
of electrons.

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.