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Dmitry [639]
3 years ago
12

To what extent can very large earthquakes be predicted

Biology
1 answer:
Bas_tet [7]3 years ago
4 0

Scientists have tried lots of different ways of predicting earthquakes, but none have been successful. They<span> haven't been able to find a signal for earthquakes( there is no obvious sign to say that an earthquake is coming very soon).</span> They do have a pretty good idea of where an earthquake is most likely to hit, but they still can't predict exactly when it will happen.

However, the probability of a future earthquake can be calculated, based on scientific data. Scientists estimate that the probability of a major earthquake occurring in the San Francisco Bay area over the next 30 years is 67%.

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What are the four possible gametes of an organism has the genotype KkMm?
kozerog [31]

Answer:

KM, Km, kM, km

Explanation:

Gametes, which are only produced during sexual reproduction, are formed as a result of meiosis. According to Gregor Mendel in his law of Segregation, alleles of a gene will separate into gametes in such a way that only one form of a gene (allele) will be present in each gamete.

In this question involving a dihybrid with genotype: KkMm, the allele combinations of the gametes that will be produced after meiosis are KM, Km, kM, km.

3 0
3 years ago
What causes the atrioventricular valves to close during a heartbeat? a Pressure in the atria is higher than in the ventricles. b
max2010maxim [7]

Answer:

The correct answer is -  b Pressure in the atria is lower than in the ventricles.

Explanation:

The atrioventricular valves close when the pressure in the ventricles is more than the pressure in the atria. Which leads to the contraction of the papillary muscles to shut the leaflets of the valves,

When the ventricles relax, atrial pressure exceeds ventricular pressure, the AV valves are pushed open and blood flows into the ventricles. However, when the ventricles contract, ventricular pressure exceeds atrial pressure causing the AV valves to snap shut.

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3 years ago
How do neurofibrils differ from nerve fibers?
Leya [2.2K]
Neurofibrils are bundle of thin microtubules and microfilaments formed by the cell's cytoskeleton, they serve as a passage for rapid transport of molecules to and from a far end of a neuron but they do not conduct impulses while nerve fibers conduct impulses.
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Marcus grew three rosemary plants. He put one in
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Answer:

His conclusion is flawed because he did

not perform enough trials.

Explanation:

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Which organism would MOST LIKELY be the main source of oxygen in a forest ecosystem
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Answer:

Algea

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Algae produce about 330 billion tons of oxygen each year.

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