Answer: 2.3 g cm^3
Explanation: In this case the rise in level of water is same as the volume occupied by the stone.
a) Volume occupied by the stone = 70 cm^3 – 40 cm^3= 30 cm^3
b) Density = mass/volume
= 69g/30 cm^3 = 2.3 g cm^3
Answer:
A. the cell membrane protects the cell
Cell definition: the basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
Cytology definition: the study of cells as fundamental units of living things.
Answer:
When the water evaporates, it leaves behind a solid layer of minerals
