An asteroid is a celestial body. A large number of asteroids form a doughnut-shaped ring in space called the main asteroid belt. Which planets’ orbits is the belt located between? A.
Mercury and Venus
B.
Jupiter and Saturn
C.
Neptune and Pluto
D.
Mars and Jupiter

Why do you think electric energy for households is generally supplied by power plants instead of by an electric generator at home.

Sat no calculator section question in the picture

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.