3) The movement of pollen molecules in water called Brownian motion is caused by:

A)
air currents in the room.
B)
impact of individual water molecules with the pollen grains.
C)
motion of flagella on the surface of the pollen grains.
D)
convection currents in the water.

__can be defined as which velocity changes

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean