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use the smile technique

4²= 2^2x2=2⁴2⁴x2⁴= 2⁸ Explanation: In order to simplify powers you need to get the same base number. In order to ge...

This is the net passive movement of molecules down the concentration gradient from an area of high concentration to an area of lower concentration, through ...

The greenhouse effect is a process that warms the planets temperature to warmer than it would be without an atmosphere. It makes the planet a comfortable place to live. It works like a greenhouse or glas...

This is the movement of particles from an area of high concentration to an area of low concentration.