Milankovitch theory is based on 3 cyclical variations in the Earth's orbit around the Sun. ___________ is not one of these cycles. 

The main causes of sea level rise ___________. 

Milankovitch cycle describes____________. 

The amount of ________ in the air is 78%. 

Earth’s axis is tilted at an angle of___________. 

When Earth is far from the Sun, it is___________. 

• The point on the Moon's orbit closest to Earth is called the perigee
• And the point farthest away is the apogee.

_________is the movement of Earth on its own axis. 

• Friction is the force resisting the relative motion of surfaces.
• Gravity is the force by which a planet or other body draws objects toward its center.

When Earth is very near to the Sun, it is called___________. 

__________is an example of climate. 

• Weather is the state of atmosphere recorded at any given point of time.
• It can change every moment and varies throughout the day.

Changes in weather can be seen  

• The day-to-day conditions of the atmosphere at a place.
• With respect to elements like humidity, temperature, wind speed, rainfall, etc. is called the weather.

________is the movement of the Earth around the Sun. 

Earth’s axis_____________. 

What will happen if human impact of greenhouse gas is reduced?

__________is not associated with climate change.

What can be done to reduce carbon output in the atmosphere?

Select the human activities that has significantly influenced the increase of greenhouse gases in the atmosphere.