unpaid work done either as a form of punishment by a felon or as a voluntary service by a citizen

an area with human population that is smaller than a city and larger than a village

to make oneself neat or clean

waste such as bottles, papers, etc. that people throw on a sidewalk, park, or other public place

something that we use to buy and sell goods and services, can be in the form of coins or paper bills

the quantity that is measured in seconds, minutes, hours, etc. using a device like clock

to freely give goods, money, or food to someone or an organization

the red liquid that the heart pumps through the body, carrying oxygen to and carbon dioxide from the tissues