How many atoms are in a 121.4 gram sample of Aluminum (Al)? a
2.71 X 10 ^ 24 atoms
b
4.5 atoms
c
1.97 X 10 ^ 27 atoms
d
5.44 X 10 ^ -21 atoms

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

When a septic tank backs up a goes in to clean it out

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.