Chọn từ có nghĩa "bị tuyệt chủng"

Chọn từ có nghĩa "nông nghiệp"

Chọn từ có nghĩa "hậu quả, kết quả"

Chọn từ có nghĩa "cấm, không cho phép"

Air and water pollution has __________ in the extinction of some animal species.

Which is CLOSEST in meaning to "maintenance":

The maintenance of these old castles must cost a lot of money.

Modern farming methods have led to the total ______ of many species of wild flowers.

Human beings are changing the ______ by building cities and villages where forests once stood.

In order to make sure that these rare animals do not disappear, efforts have been made to ______ the environments in which they live.

If people's ______ with the environment decreases, more species will survive and produce offspring.

People are destroying the air by adding ______ to it.