Which sentence uses the underlined word correctly? a. ivan, my little brother, behaved well after his nap. b. ivan, my little brother, behaved good after his nap.

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.

(the column on the right side has numbers 1-4 as well)

from left column to the right marching definition column:
1=2
2=4
3=1
4=3

Bacteria can degrade

Hey, here’s a few funny ones

~ who invented fractions?
henry the 1/4th.

~ what is a math teacher’s favorite sum?
summer!

~ teacher: why have you got cotton in your ears? do you have an infection?
pupil: well, you keep saying that things go in one ear and out the other, so i am trying to keep them it all in!