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.
Answer:
estrogen and progesterone
Explanation:
both are the major hormones for emotional and physical changes
Answer:
Pollen grains are produced by meiosis of microspore mother cells that are located along the inner edge of the anther sacs (microsporangia). ... The tube cell (also referred to as the tube nucleus) develops into the pollen tube. The germ cell divides by mitosis to produce two sperm cells.
They are an invasive species, they kill off our beautiful salmon and other fish that we need to keep a good flow of fish exports and money flowing into our state. It's important to keep that balance so that both the pray and they predator in the lakes don't all die out.