Answer:
8.06966961e+25
Explanation:
Atom = Mole / 6.0221415E+23
1 Mole = 6.0221415E+23 Atom
Answer: Water molecules make hydrogen bonds
Explanation: The hydrogen bonds in water exclude the nonpolar tails of phospholipids, forcing the molecules into a bilayer
Aluminum or glass I think
Answer : The correct option is, (D)
Explanation :
Option A reaction : 
It is a combustion reaction. A reaction in which a hydrocarbon react with the oxygen to give product as carbon dioxide and water.
Option B reaction : 
It is a combination reaction. A reaction in which the two or more reactants react to give a product.
Option C reaction : 
It is a decomposition reaction. A reaction in which a reactant decomposes to form two or more products.
Option D reaction : 
It is a single displacement reaction. It is a reaction in which the more reactive element displace the less reactive element. In this reaction, most reactive element chlorine displaces the less reactive element bromine.
Hence, the correct option is, (D)
Answer: Frost weathering is a collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice.