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dyshekagraves
22.06.2019 •
Physics
Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?
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Ответ:
Oct 27, 2015 - In The Martian, astronaut Mark Watney and his crewmates onboard ... is grossly unqualified to challenge the science behind The Martian. ... of Space on the Law of the Sea, that Treaty has thus far been signed by only a handful of nations, none of which have their own ability to launch astronauts into space ...
Ответ:
B. non-native species introduction
Explanation:
Introduced species in a habitat is a human induced change. Here, new species are brought from other habitats to a new one. These new species are probably useful for human survival.
When these new species enters the new habitat, they quickly integrate into the ecosystem and the population increases. The biodiversity of such an area shoots up.
As the number of species increases, competition becomes prevalent in the habitat. Native species would begin to struggle harder for the limited resources in the environment.
This kind of relationship can lead to a number of adverse effect on the native population. Some species can get phased out as competition becomes rife.
Some other organisms have to change their feeding habit and evolve to newer and safer methods.