What are the factors that determine the level of harm an introduced chemical has on the environment? (Site 1) on edge

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.

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 is a downside to using a professional naming firm? question options: you'll no longer have control over your company's name. most aren't very good at coming up with effective names and logos. you will need to be cautious about the firm stealing your business idea. most are fairly expensive, charging from $5,000 to $80,000 to develop a name.