Answer:
in contrast to normal cells,cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor /(cancer)
Either b or d hdhdisgsiwgwiegwjs
C. Oxygen and nutrients taken in by the respiratory system are transported to the circulatory system for transport around the entire body.
Also, B and D cannot be correct, as carbon dioxide is not wanted in the body (it's a waste product of respiration of the body cells)
Answer:
hydrogen bonds and london dispersion force and van der walls forces
Explanation:
these bonds represent weak bond because their bond energy is very less __kj/mole.
Answer:
Proteins is a macromolecule that helps to send signals
