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I hope my answering this does not make me party to some Fourth Grader's attempt to find another to do his or her homework, then plagiarise it...
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Rain water becomes slightly acid by dissolving carbon dioxide from the atmosphere into it. This Carbonic Acid is strong enough to dissolve limestone, whose main constituent is Calcium Carbonate (CaCO3). This is the primary way in which caves form in limestone hills in the first place.
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As the carbonic acid leaches through the joints in the limestone above the cave, it dissolves more of the CaCO3. When this solution emerges through the cave roof, some of the carbonate precipitates as its crystalline form, Calcite. So, drop by drop, crystal by crystal, a stalactite grows on the roof, and a stalagmite grows on the floor beneath.
(With apologies for the inexplicable and irreversible change of font size in that last paragraph!)
What else can I help you with?
What would the average sixth grader weigh on Pluto?
The average weight of a sixth grader on Pluto would be much less than on Earth due to the lower gravity on Pluto, which is about 1/15th of Earth's gravity. Assuming the average weight of a sixth grader on Earth is around 90-110 pounds, their weight on Pluto would be around 6-7 pounds.
Is the ionosphere the lower layer of the thermosphere?
Yes, it is though altitude of the thermosphere temperature increases as we exceed through-A 6th Grader
What planet's orbit is closest to a circle?
It is Venus because according to the earth science reference tables, its eccentricity is closest to zero. The more closer to zero, the closer to a perfect circle it is. I hope i answer your question. I'm an 8th grader who was also looking for the answer, but i found it somewhere else. I usually use WikiAnswers too. So I felt like being helpful so here is your answer(: From an 8th grader in New York.
Why is the colour of sky blue at night?
at night the sky is usually red due to the less amounts of sunlight the sky is blue in the day because of a process called scattering where the visible spectrum is reflected of of particles called aerosols. this was written by a sixth grader if you dont understand then too bad
Which layer of the atmosphere has the most air?
The troposphere is the layer of the atmosphere that contains the most air, as it is the lowest layer where most weather phenomena occur and a majority of Earth's atmospheric gases are concentrated.
How old is a fourth grader?
A fourth grader can be 9 or 10.
What does boater mean?
Why is rounding hard for a fourth grader im a fourth grader
What it is like to be a fourth grader in Africa?
You are advanced. If you are a fourth grader in Africa, it is like being a third grader in North America.
Can a fourth grader have a first kiss?
A fourth grader shoul be able to have a first kiss in my opinion
Is a fifth grader book right for a fourth grader?
only for fourth graders who are in advanced reading and sometimes its a challenge.
How do you know if a fourth grader is using you?
well, how is the fourth grader using you? if your older than him/her, and your dating, not such a great idea.
How does a fourth grader flirt?
Fourth graders shouldn't be flirting.
How does a black light make water with highlighter ink in it glow?
This is a cool experiment for my fourth grader but she also needs to understand why the liquid glows.
Can a fifth grader kiss a fourth grader?
Yes but u have to be daiting or she or he wants to do it
Could a fourth grader have boyfriends?
Sure,But they are way too young.So if your a fourth grader don't get one wait until 5th or 6th.
How much should the average female forth grader weigh?
a skinny fourth grader should weigh about 70 to 90 a chubby kid should way 95 to 120 a tall and fat fourth grader should weigh 130 to145
What you mean by fourth grader?
we mean a fourth grader is some1 in yr 4 who is in grade 4 aka( standard 4) got it? hope u did!
