catchment – n. the action of including or catching everything, especially water

reliant – adj. needing someone or something for support

anesthetics – n. a drug that causes the temporary loss of sensation

famine – n. food shortages

anxiety – n. a feeling of worry or nervousness

unhindered – adj. not blocked; open

access – n. a way of getting near or use of someone or something

absolutely – adj. surely

critical - adj. very important