Answer: The mole, symbol mol, is the SI unit of amount of substance
Explanation:
Answer:
Plants are valuable since they provide our food, materials for shelter, and purify the air (photosynthesis).
Animals such like livestock, supply us with food, fiber and leather.
The Endangered species act can help a local economy because it helps to supply clean air and pure water. It also protects our natural supplies.
Answer:
Selective breeding.
Explanation:
Selective breeding method is used in order to produce more bushes that have the same kind of berries. In this method, Saskatoon bush which is a wild bush can be crossed with another bush belongs to the same family so the new seeds produced having the characteristics of Saskatoon bush and is able to produce large and sweet berries just like berries of Saskatoon bush.
Explanation:
A plant cell will remain stable in an isotonic solution.
A plant cell will shrivel in a hypertonic solution (the water inside the cell will leave into the exterior of the cell).
A plant cell will expand in a hypotonic solution (the water outside of the cell will enter into the plant cell because there is a lower solute concentration outside of the cell).