All of them!
Composite subatomic particles (such as protons or atomic nuclei) are bound states of two or more elementary particles. For example, a proton<span> is made of two up </span>quarks<span> and one down quark, while the atomic nucleus of </span>helium-4<span> is composed of two protons and two </span><span>neutrons</span>
Explanation:
From the allergy of the sun. Because of a condition called Polymorphous light eruption that causes a spottyvree rash.
<span>It is a common misconception that elephants existed the same time as the dinosaurs did when in fact they have evolved 3 or 5 million years after these creatures.
The tusks of the elephant would probably be the structure not present in early elephants. It is only through evolution that these tusks grew. Some scientists have hypothesized that these tusks develop from the elephants' incisors.
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Coronaviruses are viruses that affect animals and humans in the respiratory tract. they can be in common colds, phneumonia and can also effect the gut. Coronaviruses were first identified in the 1960's. In the case of humans this is commonly caught in the winter months or early spring. So far there is currently no cure for this illness.
