12 Evaluate the following types of metals as a choice to make a Sun reflector: alkali
metals, alkaline earth metals, or transition
metals. The metal cannot react with water
or oxygen and must be shiny and strong.
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Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?