A is the Stigma and B is the Style
The stigma is part of a pistil Where pollen germinates and it provides receptacle pollen
The style is is where pollen deposits
Answer:
pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic. Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically.
When a species go extinct, it's prey often becomes more populous because it has less predators. A new species can affect the population of prey and predators.
A or B I think
Hope this helps!
There is only about 3 percent of freshwater on earth
