Answer:
Astronomers believe that the larger the star, the shorter its lifespan.
global warming is a increase in earths overall temperture caused increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
to prevent global warming we could:
Drive less, Recycle more, Use less hot water, Plant a tree, Turn off electronic devices when not being used such as a T.V
all of these ideas save pounds of carbon dixoide and if you look above it is listed as a cause of global warming
Answer:
To be honest the Atmosphere is 72 percent nitrogen and 25 percent oxygen and
Answer:
who was the first scientist to discover a cell when observing a tin section of deed cork under a crude compound microscope?
Robert Hooke!
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