Помогите очень нужно сделать А

1. Nowadays weather is forecast more accurately. 2. Animals should be taken care of (by children). 3. Nuclear weapons mustn't be tested (by countries). 4. Water in the rivers mustn't be poisoned (by factories and plants). 5. The environment should be kept clean. 6. Waste shouldn't be dumped into lakes, rivers and seas. 7. Dangerous diseases should be cured. 8. Endangered animals and plants ought to be saved. 9. The climate shouldn't be influenced so much.