Explanation:
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1-atomic number: the atomic number is the number of protons that the atom has
2-mass number: is the amount of protons plus the amount of neutrons in the atom
3-atomic weight: average of the masses of an atom per 1/12 of the mass of carbon
4-isotope: it is the same element that has the same number of protons but a different number of neutrons
5-natural abundance: measures the amount of isotopes of an element in nature
6-unit of atomic mass: (uma) is a unit that is equivalent to 1/12 of the carbon atom
<h2>
Answer: Nazca plate</h2>
Explanation:
The Nazca plate is an oceanic tectonic plate that is found in the Pacific Ocean off the west coast of South America, specifically in front of the north and central coast of Chile and the entire coastline of Peru, Ecuador and Colombia. This plate is in constant motion, which causes it to sink under the South American (phenomenon known as subduction).
It is mainly because of this subduction process that this region has a lot of seismic activity. Another important aspect is that thanks to these movements, the Andes mountain range and the Peruvian-Chilean fossa originated.
B is correct.
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Answer: 600N
Explanation:
Centripetal force is the force that causes a body to move in a circular path.
Centripetal force = MV²/r
M = 75kg v = 80m/s r = 0.80km = 800m
Substituting the values given in the formula;
F = 75 × 80²/800
F = 600N
The magnitude of the resultant force on the 75kg pilot is 600N.
The philosophy is
simple that no one can start the journey towards being a Muslim unless he
professes the basic principles mentioned in the "Declaration of
Faith", which is "<span>“There is none worthy of
worship but Allah and Muhammad is His Messenger”.
The declaration consists of the two most fundamental elements of Islamic ideology:
1) Unity of Allah: Declaring that there is only One God and none else is mandatory
to be a Muslim.
2) Faith in the prophet hood of Muhammad, the messenger of Islam.</span>
