The sum of the genetic traits in a population is its gene pool
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Answer:
A
Explanation:
There are three states of mater; solid liquid and gas. The sold state is the difficult to compress while the gaseous state is quite easy to compress.
A gas is easily compressed because the particles in a gas are far apart from each other. A solid is difficult to compress because the particles of a solid are close together. From all the above statements, it is easily deducible that the compressibility property of a substance in a particular state of matter depends on the proximity of the particles to each other, hence the answer above.
Answer:
The answer to your question is Cu(NO₃)₂
Explanation:
To write the chemical formula of a molecule:
1.- Look for the symbols of the elements
Copper = Cu has an oxidation number of +2.
Nitrate = NO₃⁻¹ nitrate is a polyatomic ion so it is composed of nitrogen,
oxygen and its oxidation number is -1.
2.- Write the chemical formula and interchange the oxidation numbers.
Cu⁺² + NO₃⁻¹ ⇒ Cu(NO₃)₂