reviewer

What basic need does a french fries provide?

• food

• water

• shelter

• air

Anything that are not useful. We throw away and get rid of it.

• water

• environment

• air

• waste

Which of the following can cause air pollution?

• loud noise

• trash and litters

• smoke from vehicles

Which of the following is tha main cause of water pollution?

• mosquito bites

• trash and litters

• smoke from vehicles

________ are insects or animals that are capable of transmitting diseases.

• pets

• wild animals

• disease vectors

• caat

__________ are vectors for diseases like malaria, yellow fever and denge fever.

• flies

• mosquitoes

• bat

Which of the following does not contribute to air pollution?

• oil spill

• forest fires

• volcanic eruptions

• smoke from factories and vehicles

________ transmit diseases like dysentry, cholera and typhoid fever.

• houseflies

• mosquitoes

• rats

• cats

Whichof the following helps in reducing disease vectors?

• Using car everyday

• keeping our surroundings clean

• throwing garbage into the river