HUGE
REQUIRES
ON AVERAGE
CUT
LEAK
STATISITCS
RESOURCES
CRUCIAL
CONSERVE
WASTE
very, very large, big
extremely important
save
numbers that give information
uses too much of something, or uses it in a bad way
makes it necessary for someone to do something
usually, normally
use less of something or make something smaller
a hole or opening that allows water or gas to escape
natural or man-made products that people need or can use