An atom that has an excess positive or negative electrical charge caused by the loss or addition of an electron is called a(n)

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?