Question

please
answer the questions

Answer 1

Explanation:

Natural vegetation is plan which has not been grown by the human. But it doesn't need any sort of the help from the human and get from the natural environment. Even some of the natural vegetation is tundra, rainforest and much more.

Hope its help...

Answer 2

Explanation:

Let y = 100

Then reduction = 20% = 20

Then x = 100 – 20 = 80

(i)x/y = 80/100 = 4/5 (Diving by 20)

(ii) (y – x)/y = (100 – 80)/100

= 20/100

= 1/5 (Dividing by 20)

(iii) x/(y – x)

= 80/(100 – 80)

= 80/20

= 4/1 = 4 (Dividing by 20)