How does the density of salt water differ from the of fresh

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

Which organelle stores most of a cell’s dna?