Synonyms
alert (v)
warn
enhance
improve
fatigue
energy
a large scale
a small amount
A ____ is 100 years.
century
applications
uses
extensive
lengthy
success
failure
toxic
harness, safe
Space research is expensive. It requires a lot of f________.
funding
benefit (V)
help
fascinated
intrigued
harmful
safe
hazard
safety
A hand-held thermometer e___________ the chance of infection.
eliminates
buildup (n)
accumulation
concern
worry
helpful
helpless
intense
weak
Many spinoff products are d___________. They last for a long time.
durable
dependable
reliable
modify
adapt, change
lengthy
short
translucent
dark
Many space missions are l__________. They can last a long time.
lengthy