Front

inform

Back

to give someone some particular information

Front

knowledge

Back

understanding of or information on a subject

Front

natural

Back

as found in nature, not made or caused by humankind

Front

preserve

Back

to keep something as it is; to prevent it from decaying or being damaged or destroyed

Front

protect

Back

to keep someone or something safe from injury or damage

Front

recycle

Back

to sort and collect trash in order to treat it so parts of it can be used again

Front

reduce

Back

to become or to make something become smaller

Front

responsible

Back

to have authority over something or someone and the duty of looking after it, him, or her

Front

amount

Back

the quantity of something

Front

claim

Back

to state that something is true or is a fact