Vocabulary

• have to: Must do
• back down: To admit you were wrong; stop claiming
• rely on: To depend on someone or something
• abide by: To follow a rule; adhere to
• drive up: To cause something to increase.
• in turn: One after the other in a sequence or rotation.
• into space: Toward or entering the region beyond Earth's atmosphere.
• literally: In a literal manner or sense; exactly as stated.
• process: To organize and use data in a computer
• access: Way to enter a place, e.g. a station or stadium
• nasty: Very bad, unpleasant, or offensive
• vital: Needed to support life; essential
• conflict: Argument or struggle between two or more parties
• position: Person's opinion or attitude about something
• environment: Natural world in which plants and animals live
• resilient: Recovering quickly from something bad
• commodity: Something useful or valuable, usually for sale
• exist: To be present, alive or real
• climate: Typical weather conditions in a particular place
• increase: To make or become larger in size or amount
• cause: Belief, goal or organization that people support
• diverse: Being varied or different from each other
• atmosphere: Air around us
• drain: Hole or pipe that water, waste etc. flows into
• diversity: Having a range of different races, ideas etc.
• region: Part of a country, of the world, area, etc.
• sustain: To lengthen or continue to do something
• genetic: Of, relating to, or controlled by genes
• planet: One of the bodies that orbit the sun
• release: To free someone from a responsibility or burden
• curb: Anything that restrains or controls
• topic: Subject or issue people talk or write about
• dispute: To argue with someone about something
• preserve: To cook food so it can be kept for long periods
• ecosystem: Types of plants and animals in an specific area
• destroy: To damage so badly that something no longer exists
• habit: Loose clothing like a cloak, worn by monks, nuns
• rely: Depend on with full trust or confidence
• solve: To figure out a way to handle a difficult problem
• scarce: Not many; Not plentiful or abundant
• leave: To go away from; depart
• act: To behave in a certain way
• bring: To take or go with someone to a place
• dig: To move material to create a hole
• escalate: To increase in size, intensity, or scope
• protect: To defend someone or something from harm or danger
• space: Empty area kept for a specific reason, like a car
• grow: To get bigger and more mature; make plants do this
• abide: To live somewhere (formal, old-fashioned)
• dwindle: To make or become less or smaller gradually
• conservation: Protecting the environment or a species
• drive: A person's ambition and motivation to do something
• start: First time or place that a thing exists; beginning
• carry: To have a child, be pregnant
• conserve: To save or protect something
• disappear: To no longer see because it's not there any more
• land: Region or country
• finite: Having limits; lasting for a limited time
• subterranean: Living or situated below the surface of the earth
• seed: A person's children; offspring
• limited: (Of a company) with a limit of financial liability
• evaporation: Changing from a liquid into a gas, e.g. steam
• arab: Citizen of an Arabic speaking nation