An astronomer tells you that he has discovered a new planet that he calls Planet X. All he knows about Planet X so far is that it has a very dense atmosphere with a temperature approximately 5 times warmer than that of Earth.
What hypothesis can you reasonably make regarding the atmosphere of Planet X?
A) The atmosphere of Planet X has a higher concentration of greenhouse gases than Earth's does.
B) Planet X cannot contain water in any form.
C) The nitrogen cycle does not operate on Planet X in the same way it does on Earth.
D) The atmosphere of Planet X must not contain any oxygen, so people couldn't live there.
Question 2
Water condensation can occur even if the air is not completely saturated.
Indicate whether the statement is true or false
How Niko Tinbergen discovered the digger wasp's nest-locating behaviour.
Hair Tells a Tale
Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
The Mauer mandible, discovered in Germany in 1907.
A recently discovered fossil of a missing evolutionary link is shown on the right, and a ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...