The rate of weathering depends upon the area's

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

What three things determine the shape and size of a puddle when water is poured out onto a surface

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle