Answer:reaction, or reactants becoming products: A + B →. C + D reactants products ... CaCl2 has two Cl's because Ca is +2 charged so we need two –1 ... Due to the Law of Conservation, the number of atoms (and the mass) of each ... This is a balanced equation – same number of H and O atoms on both sides of the arrow.
Explanation:
Answer is a. neolithic where they use wild and domesticated crops and domesticated animals
They started as monkeys and then via acquired traits overtime they became humans
1st of all arteries have a thick walls while veins have have a thin wall
Answer to why arteries have thick walls: arteries have thick walls because blood flows inside them with high pressure and with a high speed
River, creek, tributary, run,