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pogonyaev
3 years ago
15

In a thunderstorm 5 miles away, which would you experience first?

Biology
1 answer:
IRINA_888 [86]3 years ago
4 0

Answer:

If we are watching the sky, we see the lightning before we hear the thunder. That is because light travels much faster than sound waves. We can estimate the distance of the lightning by counting how many seconds it takes until we hear the thunder. It takes approximately 5 seconds for the sound to travel 1 mile.

Explanation:

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How many dna molecules are present in a synapsed pair of homologous chromosomes?
uranmaximum [27]

Answer:

The answer is 4

Explanation:

The answer is 4 because we are talking about pairs of homologous chromosomes and there  two copies  are held together and they are located in the centromere.

Synapsis is two homologous chromosomes pairing. During the event of <em>meiosis </em>homologous chromosomes are being pared but then also separated because of reducing the genetic content of the resulting haploid cells.

7 0
3 years ago
Which could be referred to as secondary growth of stems?
Neko [114]
Answer - An increase in the width of Stem

(Was answered before in the community)
Credit goes to [PeachSoda]

Reasoning Why I agreed - Plants can grow in the root tips which shows the progression of growth and thats why you would find a lot more plant cells because it will always keep growing.
8 0
3 years ago
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Dennis_Churaev [7]

1. Autotrophs

2. Group A

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4. Chemoautotrophs

4 0
2 years ago
In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific comm
julia-pushkina [17]

Answer:

Option (1), (2) and (3).

Explanation:

DNA is the genetic material of all the living organisms present on earth. The DNA contains the nitrogenous bases, pentose sugar and the phosphate group. DNA strands runs in the opposite direction and shows polarity.  

Watson and Crick explain the structure of DNA based on the X ray diffraction produced by Rosalind. According to the structure, chromosomes are present in the nucleus and contains the DNA and wrapped around the proteins. The genes is considered as the functional segment of DNA.

Thus, the correct answer is option (1), (2) and (3).

6 0
3 years ago
What would be the most likely result if humans stopped burning fossil fuels?
Vitek1552 [10]

Answer:

Explanation:

Even if we stopped burning fossil fuels, the Earth would continue warming up for another few decades because of all the heat we've already produced. Global temperatures would climb – finally stabilizing at a level much higher than we've ever known.

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2 years ago
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