What affects the density of a substance? select all that apply.

mass
gravity
volume
weight

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax