The most environmentally destructive trips are______.A．plane tripsB．automobile tripsC．trai

The most immediately apparent form. of environmental pollution is _____.A、physical rathe

Most environmental problems are caused by people.（)

Most of the environmental problems are man－made.（)

The company takes environmental issues into ac

The company takes environmental issues into ac

One of the effective ways to lessen environmental pollution is the reservation and protect