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Which important element was missing in earths early atmosohere?
Oxygen was the important element missing in Earth's early atmosphere. It was only produced later by photosynthetic organisms.
What are the earths atmosphere facts?
1. there are five layers of the atmosphere 2. it is composed of the gas nitrogen (N) and oxygen (O) mainly 3. nitrogen (N) occupies 78% of the atmosphere 4. oxugen (O) occupies 21% of the atmosohere
What is the reason for the decrease in concentration of N2 when the air passes from the atmosohere into the upper airways?
humidification
What is the process causes water from the surface of the ocean to enter the atmosohere as water vapor?
Evaporation
What are the 4 main layers of the atmosohere?
1.troposphere 2.stratosphere 3.mesosphere 4.thermosphere
How might the occultation of a star by an asteroid tell us weather the asteroid has an atmosohere?
If there is an atmosphere, the light will gradually dim as the asteroid approaches the asteroid.
How a change in the earths orbit can affect the earths climate?
earths tempertures
How big planets are from smallest to biggest?
Mercury's mass = 0.055 x Earths, Volume = 0.056 x Earths Mars' mass = 0.1075 x Earths, Volume = 0.151 x Earths Venus' mass = 0.815 x Earths, Volume = 0.857 x Earths (Earth) mass = 1 x Earths, Volume = 1 x Earths Uranus' mass = 14.536 x Earths, Volume = 63.086 x Earths Neptune's mass = 17.147 x Earths, Volume = 57.74 x Earths Saturn's mass = 95.152 x Earths, Volume = 763.59 x Earths Jupiter's mass = 317.8 x Earths, Volume = 1321.3 x Earths
What does the earths moon mean?
the earths moon helps sustsian the gravity on the earths oceancs keeping them in balance
How much of earths oceans cover earths surface?
70% or 80% of water covers the earths surface
What is under the earths surface and in the earths crust?
mantle
What do changes in Earths orbit affect?
earths tempertures
