Which of the followings is not true?

45/45

in former days, people led a healthy life.

People have no awareness of the dangerous of pollution

Water is now heavily contaminated by industrial waste

It's harmful for our health if rubbish is spreaded over our areas

Giải thích

Đáp án: B

Giải thích: dựa vào câu Scattering rubbish is bad for our health, but no one wants to spend time burying it.

Dịch: Sự vứt rác bừa bãi có hại cho sức khỏe của chúng ta, nhưng không ai muốn tốn thời gian chôn lấp.