If the sun explodes the Earth's flora, fauna and even bacteria will be __________ clean.
SCOURED
15
_____________ is referred to as the minimum velocity needed by anybody or object to be projected to overcome the gravitational pull of the planet earth.
ESCAPE VELOCITY
15
Thinking of a way to get everyone off the planet would be an extremely ___________ task
ONEROUS
15
If the sun exploded, fire would ___________ the Earth
ENGULF
15
We need to come up with a _____________ to fix the problem!
PROPOSAL
15
Building enough rockets to take everyone to space would not be __________
EFFECTUAL
15
If an idea is more unhelpful than helpful then it is _______________. Can you tell us about something which is this?
COUNTERPRODUCTIVE
15
Although the two students usually agree, their opinions on this topic ________.
