Which of the following diseases is NOT caused by disease-causing microorganisms?

Which statement best describes food and water-borne diseases?

I. Caused by improper food preparation

II. Caused by harmful microorganisms

III. Caused by unsafe source of drinking water

IV. Caused by disposal of excreta in sources of drinking water

Which is NOT a chemical-related disorder caused by pollution and other man-made activities?

Which of the following is NOT an effective way of preventing the spread of diseases caused by mosquitoes?

How can one help make the community and the environment clean and green?

I. Get involved in clean-up drives.

II. Plant vegetables and other plants at home.

III. Reduce, reuse, and recycle.

IV. Throw wastes properly.

Late at night, when Nora is about to sleep, she heard her neighbors shouting. What would be the effect of noise to Nora?

What is the importance of keeping a peaceful environment?

What will happen to a noisy environment?