how does adding salt in a solution of water (salinity) affect the density of the water and how it mixes with freshwater added to it?

What is the identity of the planets?

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink. b. the chloroplasts would produce more energy.

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?