People with asthma or other respiratory illnesses are at greatest risk from which of the following environmental problems?

A.

urban heat islands

B.

water pollution

C.

acid rain

D.

air pollution

Bigger earthquakes occur less frequently, but a bigger quake releases more energy and does more damage.

What mountains are on the east side of the red sea

Many Somalian refugees sought entrance to the United States in 2006 and 2007. Describe factors that encouraged many Somalians to leave their country in the 1990s and 2000s.

Which of the following best explains how the interchangeable parts on plows allowed for more cost-effective machinery? 1. It allowed farmers build their own plows at home rather than carrying one from the store 2.

Most of New Zealand has what type of climate?

What country is 20 degrees south and 140 degrees east?

Which of the following countries has the second largest economy in the world?

Is the black hole real? If true, can't the scientists send a robot there?

Describe the story that anthropologists think the bones and tools they have discovered reveal about prehistory

Someone from Poland?