Environmental Problems

Which way below helps prevent air and water pollution?

• garbage segregation

• excessive use of pesticides

• use of organic fertilizers

• tree planting

What human activity below may contribute to decrease biodiversity?

• cutting of trees

• bird hunting

• mining activity

• All of these.

Why do planting trees help to slow climate change?

• Trees absorb Carbon dioxide from the air during food making or photosynthesis.

• Trees release a large amount of oxygen into the atmosphere.

• Trees absorb water to prevent soil erosion.

• Trees minimize air pollution.

How will you prevent decreasing biodiversity in a river ecosystem?

• avoid the use of very fine fish net

• prohibition of dynamite fishing method

• avoid dumping garbage on river

• All of the above.

Listed below are ways to prevent the spread of COVID-19 pandemic EXCEPT?

• wearing of face mask

• social distancing

• garbage segregation

• constant washing of hands

identify the image. Is it a

• tsunami

• soil erosion

• flash flood

• earthquake

It refers to the destruction of big areas of the forests.

It refers to any alteration of the physical, chemical and biological properties of water, air and/or land resources

It happens when soil and rock moved from one place to another by wind, water and gravity