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svet-max [94.6K]
4 years ago
11

Which picture below shows an atom with 4 valence electrons?

Biology
1 answer:
Nikolay [14]4 years ago
3 0

Answer:

Be

Explanation:

its B bc theres 4 elections

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Help pls
Ilya [14]

Answer: The Independent Variable

Explanation:

A good way to remember is the I in Independent. <em>I can change this, I control this</em>

(Ex. Different rose bushes are grown in a greenhouse for 2 months. The number of roses on each bush is recorded at the end of the experiment.

  • Independent Variable - Type of roses
  • Dependent Variable - # of flowers
  • Controlled Variable - Most natural/common rose bush)
7 0
2 years ago
Which of the following explains why your body may contain a carbon atom that was present in George Washington’s body in 1776? A.
harina [27]

D. Carbon moved in a cyclic fashion through the atmosphere and living organisms
5 0
3 years ago
Geothermal energy uses _________ from the Earth's core to produce energy.
sdas [7]
I think is heat but I’m not sure
5 0
3 years ago
Read 2 more answers
Compare and contrast DNA and RNA.
Keith_Richards [23]
Due to its deoxyribose sugar, which contains one less oxygen-containing hydroxyl group, DNA is a more stable molecule than RNA, which is useful for a molecule which has the task of keeping genetic information safe. RNA, containing a ribose sugar, is more reactive than DNA and is not stable in alkaline conditions.
6 0
3 years ago
Why are non native species with invasive traits a threat to ecosystem
liubo4ka [24]

<u>Answer:</u>

Any ecosystem is designed with a particular necessity that drives it's entire organisms that is residing in the particular ecosystem. Invasion by other species would deprive the initial nutrients that are contained in an ecosystem for it's native species.

This in turn would gradually make the native species extinct. The ecosystem contains all the nutrients that are enough for its residents and it is perfectly balanced by the nature, but invasion of a non-native species would break the natural balance and create deficit.

5 0
3 years ago
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