n. dangerous materials that make the air, water, and soil bad
pollution
n. something that is valuable to a country or person
resource
v. to be no longer seen
disappear
v. a living person or animal
creature
n. an amount or piece of a substance that covers a surface or that is between two other things
layer
n. an
area that is divided from other areas
zone
n. the faint light in the sky when the sun is below the horizon before sunrise and after sunset
twilight
adj. unknown, hard to explain
mysterious
n. twelve o'clock at night
midnight
n. a sea
animal that has 8 arms, 2 tentacles, and a long body
squid
an accident which releases oil into the environment
oil spill
n. trash, waste, something thrown away
garbage
n. catching too many fish in an area
overfishing
n. a
material made from chemicals that is light and strong
plastic
adj. something that is destroyed naturally without any treatment
biodegradable
n. an ocean creature made by a small sea animal
coral
