Reference point .................................
Answer:
Cells are placed in a solution that causes them to absorb liquid until they burst. When more water is removed from the solution, newly added cells do not burst. The original solutions was hypertonic solution , while the second was hypotonic solution to the cells.
Explanation:
How the industrial revolution raised the quality of life for workers and their families
Sections.
- An Increase in Real Wages.
- Technological unemployment and underemployment.
- Pollution and Urban Conditions.
- Capitalism and “the spirit of the age”
Explanation: say thanks to google
Answer:
B, food production
Explanation:
The plant is producing food for itself
Answer:
Rocks can be divided into three basic classifications: igneous, sedimentary, and metamorphic. The following tests are used by experts to classify rocks: Hardness Test Minerals are scaled in range from 1 to 10, with 1 being softest and 10 hardest. The method of determining hardness is the scratch test.