A huge decline in its authority over the South Americas
The buoyant force is an upward force on an object submerged in a fluid. It is the resultant of the pressure force on the surface of the object. The buoyant force may be larger than the weight of the object causing it to accelerate upwards.
B. Composition mostly hydrogen and helium gas Mass 1.989 × 10³⁰ kg
Explanation:
The best data that describes the sun is that it's composition is made up of mostly hydrogen and helium gas with a mass of about 1.989 x 10³⁰kg.
- The sun is the largest body in our solar system and all planetary bodies revolves round it.
- At the core of the sun, nuclear fusion is occurring.
- Here, small atomic nuclei combines into larger ones with the release of a large amount of energy.
- The small nuclei are hydrogen and they produce helium.
- This process produce energy for the whole solar system.
- The sun is best defined as giant hot ball of gases.
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Taxonomy s the branch of science that deals with the classification of living and extinct organisms.
Using taxonomy, plants and animals are classified according to the following: Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species. Taxonomy is also used to identify the species that are related to each other.
Organisms are named using the binomial system of nomenclature that was developed by Linnaeus. The binomial system, also known as the scientific name, is consist of two parts: the Genus name and the Specific Epithet.
For this problem set, the Mergus serrator and the Mergus merganser is closely related to each other, since they both have the same Genus.
