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What are the 3 main types of gases in the earths atmosphere?
The 3 types of gases in Earth's atmosphere are argon, oxygen and nitrogen.
How many energy levels are found in period 3?
The period number is equal to the number of energy levels. Elements of period 3 have 3 energy levels. Na,Mg,Al,Si are few elements in the period 3.
Are there five layers of earths atmosphere?
No, there are five main layers of Earth's atmosphere. They are the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.
What are the 3 levels of the Earth's surface?
The Earth's surface has three main levels: the crust, which is the outermost layer and is divided into continental and oceanic crust; the mantle, which lies beneath the crust and is composed of solid rock material; and the core, which is at the center of the Earth and is divided into the inner core (solid) and outer core (liquid).
Why have levels of CO2 in the earths atmosphere changed?
Levels of CO2 in the earth's atmosphere have changed over time due to natural factors like volcanic eruptions and changes in the Earth's orbit, as well as human activities such as burning fossil fuels, deforestation, and industrial processes. These activities have significantly increased CO2 levels, leading to the enhanced greenhouse effect and global warming.
What are earths 3 main spheres?
the biosphere, the atmosphere, and the geosphere
What will happen if the ice melts?
the earths sea levels will rise
What are earths 3 main sources of energy?
sun, water, wind.there may be others, but those are some of the most typical
What is the earths main source of heat?
The Sun.
What is the earths main source of fossil fuels?
Oil
What are the main metals in the earths core?
nickel and iron
How many levels are there in Portal?
The # of levels in portal is not an exact number. there are the 20 main chambers 00-19, then there 3 or 4 escape levels, then a boss. It's a pretty short game but has lots of replay value.
Where do these main gases come from?
they come from earths atmosphere and gases
What is is earths three main layers?
Crust, mantle, and core
What are earths two main motions called?
Rotation and Revolution.
What is three main of earths layers?
Crust, mantle, and core
What are earths main layer?
Crust, mantle, and inner core.
