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Contact [7]
3 years ago
5

Which statement accurately describes the origin and expansion of the universe?

Biology
1 answer:
stira [4]3 years ago
3 0

<u>ANSWER:</u>

Cosmic background radiation is leftover thermal energy from the Big Bang best describes the origin and expansion of the universe.

<u>EXPLANATION:</u>

  • The "Big Bang Theory" is used to describe how the universe has begun.
  • The theory basically states that the "universe" began as a "single point" and then "expanded and stretched" and is expanding even today.
  • When the universe began, it was "hot tiny particles" mixed with heat and light and as it "expanded" and took up "more space", it cooled down and formed atoms.
  • The "best evidence of the big bang" is the radiation of cosmic background that was leftover when the first big bang explosion took place and began the universe.
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Kim knows that today’s lab investigation will involve heating liquids over an open flame. Which apparel choice would indicate th
omeli [17]

Answer:

Apron, gloves, closed toe shoes, goggles. Kim should also tie long hair back if she has it and should roll long sleeves up.

Explanation:

Aprons, closed toe shoes, and goggles will prevent any of the liquid being heated from burning and harming her skin or eyes.

Gloves are needed to protect her hands from heat and the liquid as well.

Long hair should be tied back to prevent it from being burned or harmed from the liquid, and long sleeves need to be rolled up to prevent them from being caught on fire or dragging into the liquid.

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4 years ago
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tiny-mole [99]

Answer:

true

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2 years ago
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valentinak56 [21]

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