hey bot answer this question
How has the amount of CO2 in the atmosphere changed since the Industrial Revolution?
a
It has remained steady.
b
It increased slightly, then significantly decreased.
c
It has significantly increased.
d
It has significantly decreased.
c - It has significantly increased.
How would life on Earth be affected if the atmosphere did NOT contain greenhouse gases?
a
There would likely not be life on Earth because its surface would be much colder and Earth's water would be frozen.
b
There would likely be a few less organisms on Earth because the lack of greenhouse gases would make Earth a little cooler.
c
There would likely be more diverse life on Earth because the lack of greenhouse gases would make Earth just a little warmer.
d
There would likely not be life on Earth because Earth's surface would be much hotter without the Sun's rays being blocked.
a - There would likely not be life on Earth because its surface would be much colder and Earth's water would be frozen.
Which is NOT a factor that causes the different characteristics of the climate zones?
a
latitude
b
types of plants that grow
c
elevation
d
nearness to bodies of water
b - Types of plants that grow.
Which of the following most likely coincides with mass extinction in the geologic time scale?
a
rapid global changes to the environment
b
long periods of environmental stability
c
the introduction of native species to a new environment
d
the removal of nonnative resources from an environment
a - Rapid global changes to the environment.
The energy Earth receives from the Sun comes from
a
the mechanical motion of the planets orbiting the Sun.
b
the burning of hydrogen and helium within the Sun's core.
c
the mechanical motion of the Sun rotating around its axis.
d
the burning of oxygen and carbon within the Sun's cor