Vocabulary

• the leading cause: The most significant or primary reason for something.
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• due to: Because of; owing to
• based on: To use something as the foundation or starting point for something else.
• in reverse: In the opposite direction.
• around the world: In or to many countries.
• in the future: At a later time; in times to come.
• check out
• fascinating: To attract or interest greatly
• encounter: To come up against a problem or trouble; meet
• develop: To explain something in steps and in detail
• variety: Particular type of thing or person
• disease: Illness that affects a person, animal, or plant
• increase: To make or become larger in size or amount
• reverse: Setting that makes the vehicle go backward
• toll: Sound that a big bell makes, when it is rung
• occur: To come to pass or to happen
• premature: Happening before the natural or desired time
• dramatically: In a sudden or extreme manner
• vaccine: Shot using weak disease cells to stop same disease
• population: Number of people who live in a country, area etc.
• obsolete: Not used anymore because something newer exists
• account: An advantage
• risk: To do something potentially dangerous or foolish
• drop: Distance between a higher and a lower level
• due: When something is required or expected
• attribute: (Of books, art, music) to say it was composed by
• tragic: (Of a play, movie, or book) with a sad ending
• lead: Wire for electricity, computer, etc.; cable
• relate: To demonstrate a logical relationship between
• vehicle: Machine (such as a car) used to carry things
• solution: Mix of a liquid and a solid or a gas
• strange: Unusual or odd; surprising because unexpected
• combine: To mix several things together to form one thing
• submit: To accept a superior force has power over you
• annual: Happening once a year, or every year
• depend: Be controlled or determined by (someone/something)
• science: Study of the physical world, based on facts
• obtain: To be given or to earn something through efforts
• mineral: Substance naturally formed in the ground
• bill: Plan for a new law being discussed by a government
• important: Having power or authority
• malaria: Disease caused by being bitten by a mosquito
• fact: Something that is known or proved to be true
• complexity: State of having many parts and not being simple
• crash: To damage an object by causing it to hit something
• promise: To say you will certainly do something
• worldwide: Spanning or extending throughout the entire world
• parasite: Small animal or plant living off a bigger one
• accident: Sudden unplanned event causing damage, injury etc.
• sponsor: Person that supports the passage of a new law
• transmit: To broadcast by using signals to a radio/TV
• overdose: To take too many drugs, so that you might die
• drug: Illegal substance taken for effect on the mind
• discover: To find something new that was not known before
• license: To give official permission to do something
• grow: To get bigger and more mature; make plants do this
• include: To make someone, something part of a group
• voluntarily: Of your own free will; not because you were forced
• overwhelmingly: So it cannot be resisted
• gene: Part of cell controlling development of a thing
• bracket: Placement of a word or words within ( ) [ or ]
• influenza: Full name for the 'flu'
• parasitic: Living on larger plant/animal and dependent on it
• triple: Group or set of three
• seatbelt: Strong belt in a car to hold you in your seat
• dna: Chemical in living cells with genetic information