Помогите пожалуйста, безотлагательно необходимо! Даю 15 б.The word in capitals above

Помогите пожалуйста, безотлагательно необходимо! Даю 15 б.
The word in capitals above each of the following sentences can be used to form a word that fits suitably in the blank space. Fill each blank in this way. Example: DANGER It was a very dangerous trip.
1. PROTECT If you want to be healthy, you should care about the of the environment.
2. ECOLOGY If we want to protect our environment, lots of things should be changed in our life, but first of all should improve education.
3. CHEMISTRY Sometimes fish die out in rivers because plants and factories throw waste there.
4. COLLECT People should be fined for dropping litter and rubbish should be мейд more often along our beach.
5. RECYCLE Very little of material is actually recycled.