An atom of an element has 38 electrons. What is also true of that atom?

A.

It has 38 protons.

B.

It bonds with 38 elements.

C.

It has an atomic mass of 38.

D.

It has 38 neutrons.

What is compression?

What do we need to measure in order to determine a star's luminosity?

A motorcycle with mass 100kg can accelerate from 0-60mph (0-26.8m/s) in 2.8s. What is the force of the motor and what is the power if this acceleration can occur in 37.52m?

Which layer of the Sun's atmosphere is farthest from the surface of the Sun? A) troposphere B) corona C) chromosphere D) photosphere

Which factors in the earth relationship to the sun make life on earth possible

An example of an opinion would be which of the following? bob s burgers is the best show on television. cake is appropriate for many occasions. earth is 238,900 miles from the moon. none of these

Which is a concern about mining for uranium? -Heated water could be released into the environment. -Dust released in the air could be radioactive. -Supplies could become low during a drought.

In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately a rectangle 160 km long, 40.0 km wide, and 250 m thick. What is the mass of this iceberg, given that the density of ice is 917 kg/m3?

The weight of an astronout is 60kg on earth, find the wight of the same object on the planet where the gravitational attraction has been reduced to 1/10 of the earths pull

Describe a situation in wich static friction is useful