BJU Earth Science Ch. 18 Test Review

In the carbon cycle, carbon is moved from the atmosphere into plants by _______________.

What is an indirect warming of the atmosphere?

(3 answers) Which temperature layers are included in the homosphere?

Ozone in the atmosphere is made up of __________ oxygen atoms.

A thermal convection current in the atmosphere is a kind of density current.

Almost all of the sun's energy makes it to the earth's surface.

Infrared rays are a key form of solar radiation.

NASA can communicate with astronauts above the ionosphere because the ionosphere does not reflect ___________.

In temperate zones, the tropospheric lapse rate ____________.

Since ozone is made of oxygen, it is always beneficial to life.

The ozone layer protects life on Earth from dangerous radio waves from the sun.

Nearly every year, a thin spot in the ozone layer develops over __________.

Which atmosphere layer directly affects radio communications on Earth?

What is the rate of solar energy flow that reaches the earth?

Which of the following weather conditions allows the earth's surface to absorb the most heat from the sun?

Where do plants get their carbon as part of the carbon cycle?

If an atmosphere with 21% oxygen is good for us, then an atmosphere with 100% oxygen would be much better.

Except for the homosphere, gases in rest of the atmosphere are in layers ordered by how many atoms in their molecules

The Haber-Bosch process is a(n) _____________.

In addition to being a protective layer, the magnetosphere also produces beautiful ______________.

Humans have a God-given responsibility to take care of the atmosphere.

The gas ozone is composed of _____________ atoms.

Most plants in the world depend on _______ nitrogen produced by soil and marine bacteria.

(2 answers) An example of a greenhouse gas is _____________.

Most of Earth's weather happens in the ___________.

Lightning is a natural agent of nitrogen fixing.

The most concentrated form of solar energy at the earth's surface occurs when the rays _____________.

Which of the following is an example of conduction?

(2 answers) What gas or gases make up the exosphere?

Which of the following layers would be most effective in protecting the earth from a solar flare?

The rate at which solar energy enters the earth's atmosphere is called the ____________.

A region extending thousands of kilometers into space that includes the exosphere and Van Allen belts is the __________.

Evolutionists believe that first life forms to appear would have been poisoned by the presence of _______ in atmosphere.

What are fast winds that travel in paths in the stratosphere?

The magnetosphere is not spherical because of the solar wind.

Of the solar energy that makes up the solar constant, most of it is ____________.

The kind of air pollution that makes many of our cities appear hazy is called ________________ .

(2 answers) Most of the direct solar energy that reaches the earth is absorbed by ___________.

What is the steady temperature change associated with altitude changes?

What is the continuum of energetic wave known as light energy?

What is the envelope of gases surrounding the earth?

The most significant role for nitrogen in the atmosphere is to ____________________.

Which of the following gases was not present in the earth's earliest atmosphere according to naturalistic scientists?

The density currents that cause air to mix are an example of ____________.

(2 answers) The ionosphere extends upward from 75 km to 500 km. Which two temperature layers are contained here?