Spending more time with his grandchildren is most likely a short-term goal for a person of which of these ages? a.14yrs b.64yrs c.24yrs d.34yrs

b. 64 years

It is not:

A) because he is still a teen, and generally would not have kids during this time.
C) because it is marriageable age, and people generally do not want kids during this time
D) because while they may have kids during this time, the kids would be young, and are not old enough to reproduce

hope this helps

Native americans, the aboriginals of australia, sub-saharan african cultures

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.