Answer:
Directly counting blood cells or tissue cells by using a hemocytometer can determine the concentration of a known volume. Counting the number of colonies that arise on a pour plate can calculate the concentration by multiplying the count by the volume spread on the pour plate.
I believe it would be 3 because the higher the number the less acidic and the more basic it is.
Answer:
many alveoli are present in the lungs with a shape that further increases surface area. Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface.
Explanation:
Oil <span>is the most common resources extracted from the ocean.</span>
<span>The theory of plate tectonics helps to explain the </span>formation of the earthquakes.
