resources – n. natural assets in a country, like oil, minerals or timber, that can be sold to increase its wealth

drilling – adj. cutting a hole into a solid, such as a deep holes to drill for oil under the earth’s surface

preservation – n. protection over time

accessible – adj. able to be reached or used

fossil – n. remains of ancient plant life or bone

dwindling – adj. to become smaller

potential – n. ability to become real; possibility

profoundly – adj. having or showing great understanding or knowledge