Author Question: Based on everything we have learned about Venus and Mars, what is the most surprising aspect of ... (Read 50 times)

fox · **on:** Jul 27, 2018

Based on everything we have learned about Venus and Mars, what is the most surprising aspect of Earth's climate history?

A) the fact that the temperature of our planet has remained relatively steady throughout our planet's history
B) the fact that Earth apparently got a lot of atmospheric gas from outgassing by volcanoes
C) the fact that Earth had enough water to form oceans
D) the fact that Earth's climate can be affected by changes in its axis tilt

Question 2

Which of the following statements about constellations is false?

A) There are only 88 official constellations.
B) Some constellations can be seen from both the Northern and Southern hemispheres.
C) Some constellations can be seen in both the winter and summer.
D) It is possible to see all the constellations from Earth's equator.
E) Most constellations will be unrecognizable hundreds of years from now.