noun
adjective
verb
adverb
bonus
100

the fact of depending on someone or something (para 5)

reliance

100

relating to the mixture of gases surrounding Earth (para 2)

atmospheric

100

to pass a liquid or gas through a piece of equipment in order to remove solid pieces or other substances (para 8)

filter

100

especially (para 5)


particularly


100

to make a situation or activity continue in the same way (para 3) (v)

maintain

200

the natural features of a land (para 2)

topography

200

happening repeatedly but not necessarily frequently (para 2)

periodic

200

to rid of something of harmful substances (para 8)

purifies

200

close to a particular number or time although not exactly that number or time  (para 1)

approximately

200

the food, equipment, etc that is needed for a particular activity,holiday, etc (para 3) (n pl.)

supplies

300

a formal statement of a decision or an opinion 

(para 9)



resolution

300

not enough (para 1)

insufficient

300

to draw attention to something (para 4)

highlight

300

in the end, especially after a long time (para 1)

eventually

300

real, but not immediately obvious (para 3) (adj)

underlying

400

the action of causing a law to be obeyed (para 9)

enforcement

400

more than enough (para 1)

abundant

400

to put pressure on something (para 3)

strain

400

because of this; as a result of this (para 4)

thereby

400

to provide water for an area of land so that crops can be grown (para 7) (n)

irrigation

500

chemicals and animal waste that flow into rivers and lakes (para 4)

runoff

500

very shocking and surprising (para 6)

staggering

500

to pay part of the cost of something (para 8)

subsidize

500

in a very sudden or noticeable way (para 2)

dramatically

500

how near one thing is to another, or the fact of being near something (para 2) (n)

proximity