Lera... L4, TOEFL Binder

Question 1

constraint

Answer 1

noun
something that restricts thought or action
regulation

Example: budget constraints
financial constraints

Question 2

contamination

comes from contaminate, verb

Answer 2

noun

made less clean by a germ or hazardous substance

Question 3

deplete

\di-ˈplēt\

Answer 3

v.

to greatly decrease the supply of a resource or material

Question 4

emission

Answer 4

noun.
n.
sending out from a small space into the general environment

Examples:
The EPA regulates the emission of pollution into the air.

Britain wants to cut CO2 emissions by 60 percent by 2050.

You have to get your car tested for emissions yearly.

Question 5

elementally

Answer 5

adv.
basically
in terms of elements