If a plant cell is placed in a hypertonic solution, the plant cell loses water and hence turgor pressure by plasmolysis: pressure decreases to the point where the protoplasm of the cell peels away from the cell wall, leaving gaps between the cell wall and the membrane and making the plant cell shrink and crumple.
Number one is D
Number 2 is b im pretty sure
<em>Answer is B. The fossils in the lower layers are older than the fossils in the upper layers.</em>
The number of new infants per one thousand individuals in a population per year is the birthrate
