Some seeds contain fluffy parachute-like structures. Why?nts haveroots​

1 What can we do to reduce the pollution of the atmosphere?
2 The change in the climate has produced disastrous floods.
3 Many rare species are threatened with extinction.
4 Many of the gases produced by factories are harmful to our health.
5 Exhaust fumes have damaging effects on the environment.
6 Many countries must try and control the growth of the population.
7 Protecting the environment is essential to our survival.
8 The protection of the environment is everyone’s responsibility.
9 While some countries get richer, the poverty in others gets worse.
10 Millions of people in the world are threatened with starvation.