I Match the words and their explanations( nuclear testing, garbage, rainforest, ecology, animals in danger, pollution) 1 It is rubbish, waste or other things we throw away.
2 it is a very big problem of our time. If we don’t protect them, they will disappear forever.
3 they are experiments with nuclear weapons.
4 it is a thick forest in tropical parts of the world, like in Amazon area.
5 it is the process of making our environment dirty and unhealthy for living.
6 it is the science that studies the relations of plants, animals and people to each other and to their environment.