the north Carolina land mass formed about 1.7 billion years ago and has been in constant change ever since continents broke apart merged and then drifted apart again as land movement occurred to form the Appalachian mountains.

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

When a scientific theory has been tested and proved by the scientific community, it becomes a law

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?