3 years ago

How many different elements does molecules of calcium carbonates have

Biology

2 answers:

PilotLPTM [1.2K]3 years ago

3 0

3 elements: calcium, carbon, and oxygen

BartSMP [9]3 years ago

3 0

Three molecules appear in calcium carbonate which are ( one atom of carbon , one atom atom of calcium and three atoms of oxygen )

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An Asian elephant has a weight of 52,900 newtons. This enormous weight is balanced on four feet. In a circus act, these elephant

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Answer:

Option B, $18.11 \frac{N}{cm^{2}}$

Explanation:

Given-

The average surface area of one foot pad of an elephant is $2920$ $cm^{2}\\$

Weight of an Asian elephant is $52900$ newton

As we know, pressure is equal to total weight divided by total area of the surface on which it is concentrated.

Thus, pressure on one foot pad of elephant is $\frac{52900}{2920} \frac{N}{cm^{2}} \\$

$= 18.11\frac{N}{cm^{2}}$

Hence, option B is correct answer

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