Question

Which of the following are true?

I. The greenhouse effect and global warming are the same thing.
II. Without the greenhouse effect there would be no life on Earth.
III. Some of the radiation flowing from the Earth to space is absorbed by greenhouse gasses and re-radiated back to the surface and out to space.
IV. CO2 makes up about 96% of Mars atmosphere

Answer 1

Answer: IV. CO2 makes up about 96% of Mars atmosphere.

Step-by-step explanation:

The atmosphere of mars is colder than that of the earth's, this is due to the larger distance from the sun. As a result of this the Mars receive the less solar energy and have a low temperature.

The gaseous composition of Mars includes the carbon dioxide (96%), nitrogen (2.6%), and argon (1.9%). The other trace level gases includes the water vapor, carbon monoxide, oxygen, hydrogen and other forms of noble gases.

Answer 2

only statement || and ||| are correct.

Step-by-step explanation:

1. This is incorrect statement the right statement is that Global warming is an impact of green house effect.

2. Without the greenhouse effect there would be no life on Earth. This is correct statement it is because of green house effect that the temperature of the earth is conducive to life. Without Green house effect the day temperature would be very high and nigh temperature too low< Making Earth inhabitable.

3. Some of the radiation flowing from the Earth to space is absorbed by greenhouse gasses and re-radiated back to the surface and out to space.is also a correct statement.

4. mars atmosphere does not CO2 in that large amount hence it is an incorrect statement.

hence statement 2 and 3 are correct and rest are in correct.