instruction:
In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
question:
Shrubland , scrubland , scrub , brush , or bush is a plant community characterised by vegetation dominated by shrubs , often also including grasses , herbs , and geophytes .
answer:
" Scrub " means low shrubs , mixed with grasses , herbs , and geophytes .


question:
In 1993 Leo ́ n was the CONCACAF Champions ' Cup runner-up , losing the final match against Costa Rican team Deportivo Saprissa , in one of the greatest upsets among the defeats in the club 's history .
answer:
In 1993 Leo ́ n was the CONCACAF Champions ' Cup runner-up , losing the to the Costa Rican team Deportivo Saprissa .


question:
The higher the specific impulse , the less propellant is needed to produce a given thrust for a given time and the more efficient the propellant is .
answer:

So , a fuel is more efficient if the specific impulse is higher .