What substance in the upper atmosphere blocks ultraviolet radiation from the sun, making life on land possible?

a. methane

b. ozone

c. water vapor

d. carbon dioxide

Stamp is to letter and cup is to

Why does the government place excise taxes on goods such as cigarettes and alcohol?

How are coal and oil similar? 1. both coal and oil are gases. 2. both coal and oil are renewable resources. 3. both coal and oil must be mined from underground. 4. both coal and oil are used to make natural gas.

Which religious group makes up a majority of the population of Pakistan? a. Hindus b. Muslims c. Buddhists d. Sikhs

Describe the features that make a physical map

Lake superior, lake erie, lake huron, lake michigan, and lake ontario represent the five lakes known as the great lakes.

In what ways have African influences shaped Caribbean culture?

Which of the following factors is impacting the spread of disease in Africa? 1. Climate change 2. Poverty 3. Lack of health workers 4. All of the above

Jerusalem's geography represents a difficult religious conflict to resolve. Why?

Discuss and describe examples of bias that you have encountered in the media through the class discussion below. Remember that media includes newspapers, television, radio, magazine, Internet websites, and other forms of mass comunication