Which of the following is the main benefit of ozone?

A.

reduces pollution levels

B.

absorbs ultraviolet radiation from the Sun

C.

filters particulates from the atmosphere

D.

neutralizes the effects of carbon monoxide

During which geologic epoch do scientists infer that the earliest grasses first appeared on Earth? (1) Holocene (2) Pleistocene (3) Oligocene (4) Eocene

Which of the following Europe countries has marine west coast climate

How do ocean floor features such as trenches and mid-ocean ridges form?

During a solar eclipse, the Moon is positioned directly between Earth and the Sun. Find the magnitude of the net gravitational force acting on the Moon during the solar eclipse due to both Earth and the Sun.

During most of the year, the air over Daytona beach contains a great amount of moisture. The air is said to be humid. Which of the following explains why there is high humidity in this area? A. Daytona beach is close to a warm ocean B.

Why has there been little progress negotiating agreements between riparian countries and those in need of water? No one wants to share limited resources. Countries do not want to negotiate with historic rivals.

What are the best places to go in Hamburg Germany?

Ancients noticed patterns in the motion of objects in the sky, which led to the development of units of time, like hours, days, weeks, months and years. Which of the following moves least in the sky regardless of the time period being considered?

Observations indicate that galaxies with more massive central black holes tend to also have

If there is a subduction zone, you would expect to find volcanoes. Locate and name the volcanic mountain range (on the North American continent) and list the names of two specific mountains.