valuable
worth a lot of money
likely
will probably happen
rapidly
quickly
consequence
the result (often bad) of a situation
having all the qualities you expect (from a person, place, object, etc)
behavior
the way a person acts or responds
effect
a result; an impact
concentrate
focus or think carefully about something
stress (noun)
great concern and worry about a difficult situation
affect
to cause something to change
occur
to happen
hide
to put soemthing in a place where no one can see it
muscle
part of the body that makes you move
realize
to come to understand something, often quickly
adjust
to change something a little so it works better
offer
to give or provide something
spread
to move across a bigger area and have a stronger impact
to make something the way it was earlier
essential
very, very important
alter
to make something change
convenient
easy to use, helpful
offend
to make someone upset or angry
variation
something that is slightly different from the usual form
sufficient
as much as necessary
complain
to say that you don't like something