Complete the sentences, using Conditionals 1 or 2 or 3 Напишите

Complete the sentences, using Conditionals 1 or 2 or 3 Напишите тип conditionals и переведите 1.If people hadnt polluted the planet, many species of animals ( not/to disappear) 2. If we(not to try) to solve environmental problems, the situtation will be getting worse. 3.If we took care of our planet, we (not/to have) so many environmental problems.