2). Use the ratio as 12 people in 25 square feet to estimate the size of a crowd that is 15 feet deep on both sides of the street standing along a 1.5-mile section of a parade route.

renewable resources- resources that can be replenished (such as trees)

nonrenewable resources- resources that are gone once they are used (such as fossil fuels)

producer-person who makes goods or provides services

consumer- person whose wants are satisfied by using goods and services

allocate- distribute

choice- option

(hope this ! )

answer is d. graphite coatings.

some connecting rods have _graphite coatings_ to lubricate the cylinder wall or piston pin.