The correct answer is A. you lift a book
2 strands of DNA=hydrogen bonds
2water molecules=polar convalent bonds
NACL=ionic bond
H2=ionic
Answer:
yeah humans are considered creatures by other creatures
Explanation:
If you think aliens are abnormal just think that aliens think we're also aliens
or some new creature
Answer:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
