Answer:
A average is a number expressing the central or typical value in a set of data. add up all the numbers, then divide by how many numbers there are.
Explanation:
4% starch solution will decrease in volume.
This is because the less starch concentration, the more water molecules exists. Since 4% is less than 10%, so the 4% will contain more water. Water molecules tend to flow from a region of higher water potential to a region of lower water potential through the semi permeable membrane in osmosis. Therefore, since the 4% contains more water, the water there will flow away from the 4% and to the 10% one in order to reach equilibrium.
Your body uses water in all its cells, organs, and tissues to help regulate temperature and maintain other bodily functions. Because your body loses water through breathing, sweating, and digestion, it's important to rehydrate by drinking fluids and eating foods that contain water.
Answer:
a. occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated
Explanation:
Diffusion is the net migration of particles such as molecules
ions, or atom from a region where it is highly concentrated to a lower concentration region. Diffusion is initiated by a concentration gradient. An instance is the existence of a concentration of particles of perfume at one end of a room which eventually spreads across the room.
