What is the layer of gases surrounding a planet called?, Solar system, Condition, Atmosphere, Surface, The outside part of a planet is called its ______., surface, solar system, condition, atmosphere, Which word means "to support or maintain life"?, Appropriate, Suitable, Essential, Sustain, Which word means "necessary or extremely important"?, Surface, Essential, Appropriate, Condition, A planet that is right for human life is ______ for living., suitable, sustained, essential, atmospheric, The word "appropriate" means:, Very expensive, Not useful, Dangerous, Suitable or proper, The Sun and all the planets that orbit it make up the ______., surface, solar system, atmosphere, condition, Extreme temperatures and low oxygen are examples of living ______., surfaces, atmospheres, conditions, systems, Choose the correct modal: Humans ______ live on Mars in the future., might, should, must, have to, Which sentence expresses possibility?, People must live underground., Astronauts always exercise., Scientists might build a space colony., You have to wear a helmet., Complete the sentence: A space colony ______ need artificial gravity., can, may, has to, should, Which sentence is grammatically correct?, Humans could to survive on Mars., Humans could survives on Mars., Humans could surviving on Mars., Humans could survive on Mars., Choose the best answer: Mars ______ not have enough resources for humans., can, might, should, could, Which modal verb is used to show possibility?, must, have to, ought to, might, Which word shows contrast?, However, Both, Also, Similarly, Which sentence shows comparison?, Earth is larger than Mars., Unlike Earth, Mars has a thin atmosphere., Both Earth and Mars have seasons., Mars is colder than Earth., Which signal word means "in contrast"?, Likewise, Both, Also, Unlike, Why is Mars considered a suitable location for a space colony?, It has water ice and a day length similar to Earth's., It has many cities., It has a thick atmosphere., It is very close to Earth., What challenge does Mars have?, Too much oxygen, A thin atmosphere and harsh conditions, Too much rainfall, No surface, Which resources are essential for sustaining human life in a space colony?, Cars and roads, Gold and diamonds, Oxygen, water, food, and energy, Oil and coal

SPACE COLONY

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