Answer:
<em>Alternative Energy refers to energy sources other than fossil fuels. This includes all renewable sources and nuclear. Nuclear is not classified as a renewable energy source. A renewable energy source is produced from sources that do not deplete or can be replenished</em><em> within a human’s lifetime. Nuclear is produced from mined elements like uranium and thorium which cannot be replenished.</em>
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A. a new dwarf planet because dwarf planets are round
Answer: The mantle
(More specifically, the asthenosphere)
The Caucasus Mountains are found between the Black and Caspian Seas.
Although the light year is a
commonly used unit, astronomers
prefer a different unit called the parsec (pc). A parsec, equal to 3.26
light years, is defined as the distance at which 1 Astronomical Unit subtends an
angle of 1 second of arc (1/3600 of a degree) When we use the parsec for really
large distances, we often put a prefix in front of it - like kiloparsecs (kpc),
which are equal to 1000 parsecs - or Megaparsecs (Mpc), equal to a million
parsecs.
The Milky Way is about 1,000,000,000,000,000,000 km
(about 100,000 light years or about 30 kpc) across. The Sun does not lie near
the center of our Galaxy. It lies about 8 kpc from the center on what is known
as the Sagittarius arm of the Milky Way.
