Water inside a rock crevice can split it apart when the temperature drops because ...

Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two. True or false?

4. Atoms with a negative or positive charge are called A. neutrons B. metallic bond C. metals D. ions E. bonds

Which continent was once joined with Greenland? How do you know?

What causes local winds to occur?

The process by which liquid water is transformed into water vapour, which is a gas. A large amount of energy is required, and this is usually provided by heat or by the movement of air.

Which devices rely heavily on the cloud? Choose two answers. A: Desktop B: Smartphone C: Laptop D: Tablet

What type of landform is Rub al Khali?

What is a Al! iuvial fan

How tall is Mount Rushmore

Large rock particles that are left behind when smaller particles are carried away by wind in desert environments create feature known as a [x] (two words).