physical health education jss 1

Why does residual waste management need to done properly ?

How can organic waste be recycled?

Among the following, which object can be recycled?

.......,this disposal method required high capital but provide environmental friendly.

........is a treatment process that involves the combustion of organic substances contained in waste materials by means of high temperatures

Which one of the following is a step in wastewater treatment?

What causes depletion of oxygen during eutrophication?

Which of these is not a cause of water pollution?

Waste can cause disease and sickness

Treating the sewage materials before releasing it to the environment is one of the proper waste disposal method.