It would be B. Less force is needed to move up the ramp
Nervous system
Circulatory system
Cardiovascular system
Answer:
Hydrogen Bond
Explanation:
Hydrogen bonds allow two molecules to link together temporarily. Water molecules are made up of two hydrogen atoms and one oxygen atom, held together by polar covalent bonds. The polarity of the water molecule is what gives water its unique properties.
B) Nucleus!
Prokaryotic cells do not have a nucleus, and the Nucleus in a Eukaryotic cell are large and very hard to miss (if that matters to you!)