Match the climate change term in column 1 to the characteristic in column 2. Human activity

?

Produces greenhouse

gases

Sun's output

?

Peaked 20,000 years ago

Ice age

?

Can vary

Greenhouse

gases

?

Cause atmosphere to trap

more heat

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

Give reason sugarcane waste can be recycled into useful products

Since 1980, which three countries have either attacked or been attacked by iraq? a. iran, turkey, united states b. iran, israel, jordan c. iran, kuwait, united states d. iran, saudi arabia, egypt