A
Fire-fighting chemicals restricted by the Montreal Protocol?
Halons
Biofuel from corn grains, ect.?
Ethanol
The time period with warmer global temperatures?
Medieval Climate Optimum
The type of orbit that crosses the equator at the same local mean solar time?
Sun synchronous
When 2 stars are bound together by gravity?
Binary star
The calendar that has leap years every 4 years?
Julian
What happens after a landfill is filled?
Repurposed
The constellation that holds the brightest summer star?
Lyra
The change in light from a star moving towards Earth?
Blue shift
3 air masses that form a Y shaped front?
Occluded Front
The flame-like column of gas that erupts in front of the chromosphere?
Spicule
What does agricultural lime correct?
High acidity
Clouds that form a low, heavy layer of gray puffs and are the most frequent type?
Stratocumulus
The term for a star that is always at a certain point above the horizon?
Circumpolar
The instrument used to measure the distance from ground to the base of clouds?
Ceilometer
The planet with the fastest rotation?
Jupiter
The gently sloping underwater plain that borders the coasts of continents?
Continental shelf
Clouds that form a low, heavy layer of gray puffs and are the most frequent type?
Stratocumulus
What did Darwin base his ideas on?
Natural selection
The convection cell between latitude 30 and latitude 60?
Ferrell Cell
The point on the celestial sphere that is directly below the observed?
Nadir
What did Darwin base his ideas on?
Natural selection
The type of galaxy that is flat with a bulging nucleus and a “solid” disk?
Lenticular
The layer of the atmosphere that acts as a giant mirror?
Ionosphere
The thunderstorm stage with a huge cumulonimbus cloud with no precipitation?
Cumulus stage