What causes earthquakes beneath a volcano? What can scientists infer using data collected from earthquakes beneath a volcano?

1 answer:

7 0

Hello. Happy to help.

Most earthquakes directly beneath a volcano are caused by the movement of magma. The magma exerts pressure on the rocks until it cracks the rock. Then the magma squirts into the crack and starts building pressure again. Every time the rock cracks it makes a small earthquake. These earthquakes are usually too weak to be felt but can be detected and recorded by sensitive instruments.

Hope that helps.

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You find a Saskatoon bush growing wild that has large, sweet berries. What could you do to produce more bushes that have exactly

Alex17521 [72]

Answer:

Selective breeding.

Explanation:

Selective breeding method is used in order to produce more bushes that have the same kind of berries. In this method, Saskatoon bush which is a wild bush can be crossed with another bush belongs to the same family so the new seeds produced having the characteristics of Saskatoon bush and is able to produce large and sweet berries just like berries of Saskatoon bush.

5 0

3 years ago

True or false, Water molecules tend to push away from each other.

Firdavs [7]

Answer:

False

Explanation:

Water molecules actually adhere to eachother

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3 years ago

Chrysanthemums are short-day plants. select conditions in which you expect chrysanthemums to flower.

SpyIntel [72]

Due to the information that they are short-day plants, I would expect chrysanthemums to flower during the times of the year when days are shorter and nights are longer.

Plants require sunlight to grow and flower or produce fruit. While some plants require more light than others, almost all plants require some form of light to survive, much less flower. Pants are often classified according to the amount of light that they require, these classifications are:

Day-neutral plants
Long-day plants
Short-day plants

Day-neutral plants are those that can flower regardless of the amount of light that they receive. These are very resistant species of plants that can thrive even through periods of prolonged darkness. Though they do well with even a small amount of light, they will still require it to survive. One example of this kind of plant is the tomato.

Long-day plants are, as the name may suggest, plants who thrive when the days are longer. These plants will not survive or bloom without many hours of sunlight every day. The optimal conditions for this kind of plant are meet during the summer, when the Earth is tilted towards the sun, causing longer days.

Finally, short-day plants are those who require little sunlight to flower. These are different from day-neutral plants in that during days with many hours of sunlight, they will not flower. These plants, such as the chrysanthemums, will only flower if daylight hours are low, meaning that spring and fall are optimal conditions for these plants to prosper.

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