(b) Several factors contribute to the maintenance of grassland ecosystems. (i)
Describe one way that grazing animals, such as bison or cattle, help to maintain grassland ecosystems.
(ii)
Explain how seasonal fires benefit grassland ecosystems.

What is the effect of mori's introducing japanese terms especially ronin paragraph 6 at the beginning of her essay

Arandom variable x has a mean of 10 and a standard deviation of 3. if each value of x is multiplied by 2, what will the new mean and standard deviation be?

Which of the following ideas would not lead to lower amounts of waste? a) the extension of a product’s lifetime b) the elimination of unnecessary packaging c) flexible construction for simple repair d) built-in obsolescence e) the introduction of new design technology