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sertanlavr [38]
3 years ago
6

What forms the structure called a coral reef

Chemistry
2 answers:
lina2011 [118]3 years ago
7 0
When the little fish die they sink to the bottom, and after time the skeletons build up on top of each other. 
Usimov [2.4K]3 years ago
3 0
The skeleton of coral animals.
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How far below sea level is the peak of the ridge?
mario62 [17]
I think is 1 and a half km
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How does electron repulsion in the outer shell cause anions to be larger than their atoms?
Alexeev081 [22]
The anion<span> is also </span>larger than<span> the </span>atom<span> because of </span>electron-electron repulsion<span>. As more </span>electrons are<span> added to the </span>outer shell<span>, and even to </span>higher<span> principle energy levels, the </span>repulsion<span> bewteen the negatively charged particles grows, pushing the </span>shells<span> farther from the nucleus.</span>
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3 years ago
If the trend in a property is periodic, it means it will
kotegsom [21]

Answer:

d) repeat

Explanation:

If the trend in a property is periodic, it means it will repeat on the periodic table.

Periodic properties on the table have a constant pattern as we move up or down a group or across a period from left to right.

  • This helps to predict some of the salient properties of elements as we move through the periodic table.
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3 years ago
What are the five main forms of energy
babunello [35]

Thermal Energy, Electrical Energy, Light, Sound, Nuclear Energy, and Chemical Energy

6 0
3 years ago
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An aerospace engineer is designing a rocket to have three stages. Which is
valina [46]

Answer:

<em>A not reasonable explanation for an aerospace engineer designs a rocket to have three stages is</em>:

  • <u><em>A. To simplify the design of the rocket</em></u>

Explanation:

A <em>three stages rocket</em> permits to separate the fuel compartments. The rocket must be launched with a huge amount of fuel to last the entire travel. Then the initial mass of the rocket and the fuel is considerably large.

As the rocket flies, part of the fuel is consumed and so some compartements may be separated and removed decreasing the mass of the rocket as it flies (<em>option D. </em>is a reasonable explanation), so the rocket only carries the necessary mass (<em>statement B</em>. is a reasonable explanation).

As the rocket moves away from Earth, the gravitational force decreases and, in the space, the amount of thrust needed is lesser, which the aerospace engineers take into account for the design (choice C. is a reasonable explanation).

The only <em>not reasonable explanation to design a three stage rocket</em> is to <em>simplify the design of the rocket</em>: designing a rocket with three modules each with different features, functions, and the detachment mechanisms brings lot of complex problems to solve. So, o<em>ption A. </em>is the correct answer.

4 0
3 years ago
Read 2 more answers
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