Indicate whether a solution will have more OH– or H+ if the pH value of the solution
is 10.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Where are the strongest jet streams located?