Vocabulary

• used to: Did regularly before, but don't do now
• on average: Typically; usually; based on an average calculation.
• on earth: Used to emphasize a question expressing surprise or anger.
• go back to: To return to a starting point
• in motion: Moving; not stationary.
• due to: Because of; owing to
• in the west: Located in or towards the west.
• look at: To use your eyes to focus on something
• catch up: To become equal with another person
• from scratch: From the very beginning; from nothing.
• have to: Must do
• no matter: Regardless of; it does not matter.
• on the other side of: Located across something from a given point.
• number of people: The total count of individuals within a group or gathering.
• in need: Not having the necessary things, such as food
• average: Total of numbers divided by the number of items
• progress: To move forward or toward a place or goal
• panic: Overwhelming feeling of fear and anxiety
• scratch: To rub your skin with your nails to stop an itch
• unprecedented: Not having happened before, or to such a degree
• permanent: Lasting forever; not temporary or changing
• extreme: Very great in degree
• poverty: State of being poor
• hygiene: Cleanliness; being clean
• chaos: State of utter confusion or disorder
• develop: To explain something in steps and in detail
• motivation: Reason behind why someone did something
• mortality: Quality or state of being capable of dying
• explore: To examine something in detail to learn about it
• shift: To change in position or direction
• increase: To make or become larger in size or amount
• emerge: To rise or appear out of some background
• sustain: To lengthen or continue to do something
• reach: To come to or arrive at a goal or destination
• prophecy: Statement that something will happen in the future
• population: Number of people who live in a country, area etc.
• result: Something produced through tests or experiments
• fertility: The state of a female being able to produce young
• advance: Forward movement by an army
• raise: To increase a bet above another when playing cards
• collaboration: Act of working with someone to complete a task
• transition: Change from one state, movement, place to another
• mass: Religious ceremony in some Christian churches
• spike: The top point in a graph
• rate: To assess something or consider its qualities
• lead: Wire for electricity, computer, etc.; cable
• revolution: When a group overthrows an existing government
• development: Act or process of growing bigger or more advanced
• suffering: To experience pain, illness, or injury
• sanitation: Water systems that protect people's health
• demographic: Group of people with similar characteristics
• exception: Something different or not included
• communication: Talking to people; giving information to people
• violence: Strong physical force of nature
• wealth: Amount of money or possessions you own, e.g. large
• produce: Fresh foods such as fruits and vegetables
• stage: To organize an event to gain public interest
• century: Period of 100 years
• bear: To accept (responsibilities or duties)
• catch: Amount of something that has been caught
• support: To give assistance or advice to someone
• industrial: Concerning making things in factories
• cover: To record a different version of another song
• future: Time that is to come after the present
• country: An area of land that is controlled by a government
• procreate: To produce babies or young animals
• human: A person; a man, woman or child
• world: All the humans, events, activities on the earth
• apocalyptic: Involving great disaster or destruction
• overrun: To exceed or be too much; take too long