Will give points and brainliest !

p. s. conservation and protection are the words supposed to be underlined

which word could best replace either of the underlined words in the paragraph?

there has been a long drought this year. authorities are asking people to be aware of water conservation. the public can take steps toward the protection of our water resources. residents may only water their gardens three days a week. it is suggested that people wash their cars at car washes instead of at home. the water at car washes is recycled.

a.
preservation

b.
usage

c.
delivery

d.
formation