Usually created or formed by a constructive and destructive process:

• earthquake

• landform

• eruption

• plowing

Which among the following are 'agents of weathering'? Choose all possible answers:

• water

• wind

• glacier

• plant

What renewable energy resource is being utilized by the photo shown?

• wave

• wind

• water

• geothermal

Which among the following are the factors that affect the 'rate of erosion'?

Choose all the possible answers:

• type of rock

• climate

• topography

• weather

Decomposition means:

• the substitution of non-living matter into a living matter

• the additional of an organic matter into living matter

• the changing of a living matter into an organic matter

• the movement of organic and non-organic in harmony

It is the shape and characteristics of a landscape:

• landforms

• ecosystem

• general environment

• topography

Which is NOT a factor in forming a fossil fuel?

Choose all possible answers:

• type of organic matter

• temperature and pressure

• place of origin

• length of time

Which among the following is an advantage in utilizing fossil fuels?

Choose all possible answers:

• relatively inexpensive

• limited supply

• easier to use

• relatively easier to transport

The process of combining oxygen with other elements and molecules:

• chlorification

• oxidation

• intoxication

• sulfacates

It is known as the starting material of any soil:

• bedrock

• organic matter

• ater and mud

• parent material