Questions

Warren Edward Buffett(USA), chairman of Berkshire Hathaway, is the world's richest investor, estimated to be worth $53.5 billion as of march 2013.

An atom is the smallest particle of a substance. Chemical substances are divided into two major groups. They are

1. Pure Substances (and)

2. Mixtures.

There are two types of pure substances that are Elements and Compounds.

Elements : An element is a substance that is made up of only one kind of atoms and cannot be broken down into simpler substances by chemical means. Metals and Non- metals come under elements.

Examples of elements are Iron, Silver, Gold, Mercury etc.

Compounds : A Compound is a substance that is formed when two or more elements combine chemically.

Examples of compounds are Water, Carbon dioxide, methane, vinegar etc.

Mixtures : A Mixture is formed when two or more substances mixed together but not chemically combined.

Example: Air.

Death Valley

In Windows NT, executive refers to the operating system code that runs in kernel mode.

Photosynthesis process removes carbon dioxide from the atmosphere. Green plants remove carbon dioxide from the atmosphere by photosynthesis. 

The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion. 

The Double V Campaign was used in World War II. The purpose of the double v campaign is to fight for victory and ending segregation at home.

It was aimed at African-Americans, and it first appeared in an African-American newspaper, the Pittsburgh Courier, in 1942. The Double V Campaign worked to have a victory over racism abroad and racism in the United States.

It stood so it gave a chance for Black Americans to fight in the war so they could achieve Victory at Home and Abroad- (Civil Rights then the war in the Atlantic and Pacific).