2. The surface layer of the Moon is best described as: a) finely broken-up rock
b) solid, lava-like rock with lots of air holes
c) solid, smooth, granite-like rock
d) water ice

Hello!   ==i would say:   spring tides are the highest, while neap tides are the lowest.==hope this ! : )

Some connecting rods have to lubricate the cylinder wall or piston pin. the answer is letter d. graphite coating can be a major  additive to many  coating  systems and things such as connecting rods.  it functions as a refractory, lubricant, thermal conductor, and electrical conductor for a machine or thing to enhance its work.