Which factors influence the salinity of ocean surface water?
choose all answers that are correct.
a.
salt from the ocean is concentrated by iceberg formation.
b.
rain adds more salt to the ocean.
c.
surface water is evaporated by the sun and concentrates the ocean salt.
d.
oceans are diluted when rivers flow into them.

Can someone me with 1 to 4 plz. fast

Compare and contrast physical changes with chemical changes.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of