Water and land pollution

What is a toxin?

• Illness

• allergy

• poisonous or harmful substance

There are 3 main causes of land pollution.

• True

• False

Which of the following is a cause of water pollution?

• greenhouse effect

• electricity

• responsible fishing

• sea dumping

Which of the following is a natural cause of land pollution?

• volcano eruption

• waste dumping

• spilled chemicals

• waste segregation

Deforestation is a natural cause of land pollution.ue

• True

• False

Which is a health effect of water pollution?

• asthma

• diabetes

• skin diseases

Acid rain is usually caused by factories burning coal or fossil fuel.

• True

• False

Food eaten that has been grown in soil contaminated with chemicals can cause birth defects.

• True

• False

Lead in the water from batteries, alloys, and petrol can get into the body and can be toxic to the brain.

• True

• False

How can lead get into the water to pollute it?

• factories

• acid rains

• reforestation