<span>The types of skeleton depend on where they are located. Earthworms have hydroskeleton because their rigid bodies are based on water pressure so it's hydro then. Endo is found in animals like birds and also humans who have it inside. Exo is found in spiders because they are bugs and bugs have their skeletons like a shell that covers them.</span>
<span>Which type of immunity defends against any type of invader?
</span>
Answer : Nonspecific
Gravity
Gravity is a force associated with all matter, pulling matter together. The force (which is a property of mass) is directly proportional to mass.
Explanation:
As the star fuses helium atoms in its center, enormous energy is generated and the atoms have a very high kinetic energy and want to escape from the center hence create great outwards pressure. However, the great mass of the center of the star creates enormous gravitation pull towards the center of the star. This gravitational force keeps the high kinetic atoms from escaping. The atoms keep fusing until the fuel is exhausted and the star ‘dies’.
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The answer is B.
Explanation: A recessive trait must be passed down from both parents
The Salt Lake City is known to be the centre of political and economic affairs in the whole state of Utah. In addition to that, the city, as well as the city can be traced back to its rich history of its geology. The state of Utah was known to have been covered with water in the pre-historic past as early as the Palaeozoic Era.
