Answer:
O Bioenergy does not release harmful greenhouse gasses.
Explanation:
Nuclear energy might not releases as much greenhouse gasses as fossil fuels do but it still releases some. Bioenergy produces energy by using 100% natural elements whereas nuclear energy does not.
Answer: 1)Spiral galaxies are a class of galaxies originally described by astronomer Edwin Hubble in his 1936 work The Realm of the Nebulae.
2) They are part of the Hubble sequence a morphological classification scheme for galaxies.
3) Spiral galaxies usually consist of a rotating disk that contains stars, dust, gas, and a concentration of stars known as the bulge in the center.
4) These bulges are often surrounded by a faint halo of stars, many of which reside in globular clusters – a spherical collection of stars that orbits a galactic core.
5) As such, Spiral galaxies are named after their spiral structures that extend from the center into a galactic disk.
6) They have spiral arms – sites of ongoing star formation that are brighter than the surrounding disk due to the presence of young OB stars that inhabit them.
Explanation:
Answer: cell wall, chloroplasts, plastids, and a central vacuole
Explanation:
Answer:
The answer is B
Explanation:
More dense liquids will want to flow further down. They have a higher weight per volume, allowing them to "Push past" the other liquids. Italian Dressing is a great example (when given time, the oil will be at the top because it is less dense then the water and other seasonings.
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