Which atmospheric gas (besides carbon dioxide) is responsible for most of Earth’s greenhouse effect?

What is the greenhouse effect? List at least two gases that contribute to it. From the perspective of a planet, is the greenhouse effect a “good thing” or a “bad thing” or is it more complicated than that? Contrast the three planets Mars, Earth, and Venus as examples.

Match the example substances with the categories they belong to.

The Milankovitch cycles refers to variations in the following planetary parameters:

Wegener proposed continental drift after he observed evidence from fossils, glacial deposits, and the fit of the continents that suggested all of the continents were once _______________.

What are the three factors that are responsible for creating the height, length and period of a wave?

If a flood is classified as a 100-year flood, that means ____________.

Artesian springs are typically associated with __________.

How many electrons are in the outer-most energy level (valence “shell) of the element lithium (atomic number 3)?

Mylonites are _________________.