Our Environment

Cutting of trees in a forest is callled

• Reforestation

• Deforestation

• tree fall

• None of them

Which is not a natural Ecosystem?

• Desert

• Aquarium

• Forest

• None of these

Which is a threat to a environment

• Growing plants

• Growing crops

• Growing population

• None of these

narrow zone where land water and air interact is called

• Environment

• Hydrosphere

• Biosphere

• Lithosphere

• air pollution

• water pollution

• soil pollution

the nonliving part of a habitat is called:

• abiotic factor
• biotic factor

Less rainfall in an area and higher temperatures could lead to ____________.

• urbanization
• deforestation
• desertification
• higher pollution

The natural resources used by society are limited by various factors. Why is coal considered a nonrenewable resource?

• Once coal is used up, it can never be replaced.

• Coal is a nonrenewable resource, because it comes from the impact of meteors with the Earth

• Coal was a renewable resource, until it was mismanaged by humans

• Coal is considered a renewable resource, because it takes few years to form

Wind is a __________ energy resource.

• Renewable
• Nonrenewable

The natural environment consists of................................... .

• Activities among human beings

• Plants and animals that surround the human beings

• Creations among human beings

• Interactions among human beings