Why are africa’s river challenging or problematic?

As specified in the textbook, is a term used to identify concern with the environmental consequences of marketing activities. europe has been at the forefront of this movement with strong public opinion and specific legislation favoring environmentally friendly marketing and products.

How would i answer this in a exam. orange - sea temperature is over 27 red arrows - tropical storm routes

Which ofbthe following is a characteristic shared by both brazil and mexico