What pathway is the largest of the circulatory system

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae

During the final stage of the cell cycle, cytokinesis allows the cell to finish dividing, creating with copies of dna. can someone fill in the blanks?