Lesson 4 - Petroleum Alternatives

Question 1

constraint

Answer 1

n. Something that restricts thought or action

I don’t like constraints from anyone in any forms.

constain v.

Question 2

contamination

Answer 2

n. Being made less clean by a germ or harzardous substance

contaminate v.,. contaminant n.

Question 3

deplete

Answer 3

v. To greatly decrease the supply of a resource or material

depletion n.

Question 4

dispose of

Answer 4

v. To throw away; to get rid of; to kill

disposal n.,. disposable adj.

Question 5

elementary

Answer 5

adv. In terms of elements; basically

element n.,. elemntal adj.

Question 6

emission

Answer 6

n. Sending out from a small space into the general environment; a substance discharged into the air

emission of

emit v.

Question 7

extinction

Answer 7

n. Complete disappearance; the end of existence

extinct adj.

Question 8

reservoir

Answer 8

n. A place where a liquid is collected and stored

reserve v.

Question 9

shrink

Answer 9

v. To become reduced in size, amount, or value

shrinkage n.,. shrinkable adj.

Question 10

stable

Answer 10

adj. Firm and dependable; showing little change

stability n.,. stably adv.