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Airplanes must be pressurized when flying at high altitudes so that the oxygen levels stay normal for us to breathe. The higher you go up, the thinner the air gets, which causes breathing problems for us humans.
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<u>Answer:</u>
<em>Cleavage is the splitting of minerals along natural planes of weakness
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<u>Explanation:</u>
There are different physical features of a mineral that are used in the identification of species of fossils. The characteristics may include hardness, Fracture, tenacity, and, cleavage. The cleavage, therefore, occurs as a result of the strengthening of the weaker bonds and the greater lattice spacing that exist in the plane. The lattice accompanies the more fragile relationship along with the place because the link cannot maintain interatomic spacing.
The property of cleavage and positioning of fracture derived from structural species of the crystals.
It would have been much easier for brainly users to give you the right answer which will coicide with the options that were given with the task if you had attachd some options to choose the correct one. Anyway, I have one statement that will definitely help you with this task : <span>The military leadership felt the country was stable enough, so they permitted democratic elections to take place. </span>
Answer:
Electric charge is a physical property of matter. ... The matter is positively charged if it contains more protons than electrons, and it is negatively charged if it contains more electrons than protons. In both instances, charged particles will experience a force when in the presence of other charged matter.
Explanation:
A stateless nation is an ethnic group or nation that does not possess its own state and is not the majority population in any nation state. The term "stateless" implies that the group "should have" such a state. ... Nations without state are classified as fourth-world nations. - Google
