What triggers a sinkhole collapse?

Answers

Answer 1

Answer:

Answer:

Decline of water levels drought, groundwater pumping Disturbance of the soil digging through soil layers, soil removal, drilling. Point-source of water leaking water/sewer pipes, injection of water.

Explanation:

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A 60kg bicyclist (including the bicycle) is pedaling to theright, causing her speed to increase at a rate of 3.1 m/s2,despite experiencing a 60N drag. Neglect any frictionimpeding her motion.How many forces are acting on the bicyclist?What is the magnitude of the net force on the bicyclist?How much force is the bicyclist generating through herpedaling?
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A glass jar contains 1 kg of liquid. This is the same as: 1,000 mL 1,000 cm3 1,000 g

Which salt would be the most soluble in ice water?

Answers

Answer:

the answer to the question is calcium

Final answer:

Calcium chloride is the most soluble salt in ice water due to its ability to lower the freezing point of water more than other salts.

Explanation:

When it comes to solubility in ice water, the most soluble salt would be the one that can lower the freezing point of water the most. Sodium chloride (NaCl) and its analogs calcium chloride (CaCl₂) and magnesium chloride (MgCl₂) are often used to melt ice on roads and sidewalks because they have lower freezing points than pure water. Among these salts, calcium chloride would be the most soluble in ice water. The group 2 metal salts, such as calcium chloride, dissociate to yield three particles per formula unit and provide a larger depression of the freezing point compared to sodium chloride, which dissociates to yield only two particles per formula unit.

Learn more about solubility in ice water here:

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How do you relate and explain a planet's distance from the Sun to things like the time of their year & their average tempareature

Answers

What we call a "year" is the time a body takes to complete one orbital revolution
in its path around the sun. The way gravity works, the farther a planet is from the
sun, the slower it moves, and the longer it takes to complete that trip. So, farther
out from the sun means a longer "year".

Everybody knows that if you want to get more warmth, then you have to stand closer
to the fire, and it's the same with planets. The farther a planet is from the sun, the less
heat it gets from the sun, and in most cases, that means its average temperature is
lower. (The planet's average temperature is affected by other things besides its distance
from the sun, such as how much heat comes up from inside, and how much heat its
atmosphere traps.)

The farther a planet's rotation axis is tilted from being perpendicular to the plane
of its orbit, the more seasonal variation there can be in the temperature at any one
place on its surface. Of course, this is kind of irrelevant if the planet has no surface.

The illustration above shows the item needed for an investigation. which item is the independent variable? which items are the constants? what might a dependent variable be?

Answers

The independent variable are the pots that you use (different thing same method)

A possible dependent variable is the tomatoes, the amount of time you cook them (assuming thats what you're supposed to do) the temperature, etc, what you need to keep the same.

I'm unsure of the constants though, sorry. Hope this helped a bit!

Does a force cause motion or a change in motion

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it changes the motion as Newton's second law of motion states that a force, acting on an object, will change its velocity by changing either its speed or its direction or both. If your basketball goes rolling into the street and is hit by a bike, either the ball will change direction or its speed or both.

Atoms from which two elements would form ionic bonds

Answers

Answer:

Explanation:

Ionic bonds are formed by transfer of electrons between metal and non metals. Electronic configuration of calcium: Calcium atom will lose two electron to gain noble gas configuration and form calcium cation with +2 charge.

hope this helps

What is it called when the air particles bunch up

Answers

Compression is your answer

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Ionic compounds molecules have strong forces of attraction between neighboring molecules. Which conclusion could be drawn about materials held together by ionic bonds? A) These materials would have low densities as solids. Eliminate B) These materials would have very high boiling points. C) These materials will likely be gases at room temperature. D) These materials will likely be liquids at room temperature.