procedure
The student built a __________ to test the new car design.
prototype
_________ (burn) fossil fuels, which releases carbon dioxide into the atmosphere, has harmful effects on the environment.
burning
Medical researchers continue to study (that / why) some people live longer than others.
WHY
A career in aerospace engineering pays well, (although / but / however) job opportunities are projected to decrease over the next decade for a number of reasons.
BUT
protocol
noun
The idea for the song __________ from a story my friend told me.
Originate
One reason many immigrants decide ______________ (become) citizens is to have the right to vote.
to become
In their campaign speeches, candidates typically say (that / what) they think their audiences want to hear.
WHAT
In some cultures, women are viewed as delicate and fragile, (as a result /so / therefore) their participation in sports such as soccer or kickboxing may be viewed negatively.
SO
altruistic
adjective
The dentist followed the proper __________ to help the person feel better.
procedure
It is not always easy _____________ (determine) whether information on the internet is accurate.
to determine
It is a fact (that / which) faculty at both liberal arts colleges and research universities conduct research and teach classes.
THAT
(Until / When / Before) natural disasters occur, several worldwide agencies work together to provide food, water, shelter, and medical care to victims. (time)
WHEN
anomaly
noun
From the clues, we can __________ that the car is a red.
deduce
Researchers were interested in ___________ (learn) about the positive and negative effects of a high-protein diet on the body.
learning
Doctors have begun warning patients about (that / the fact that) overusing antibiotics can lead to antibiotic resistance and increased infections.
THE FACT THAT
During difficult economic times, people often look for a sign of hope. The racehorse Seabiscuit was that sign during the Depression (so / then /because) the small, underrated horse won race after race and became a champion.
BECAUSE
exemplifies
verb
The scientist faced an __________ problem with the new experiment.
Unprecedent
Studies indicate that by ____________ (review) the questions in an exam before answering them, students achieve higher scores.
reviewing
The survey asked consumers (which / that) three things they wanted to know about the service at their local hospitals.
WHICH
Every culture has legends, which explains its customs or its heroes. (And / For example / In addition), every culture has folktales, which have a moral, and often teach appropriate behavior.