Answer:
They consist mainly of iron-nickel metal with small amounts of sulphide and carbide minerals. During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.
Explanation:
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The answer is Condenser. It is a small non non-magnifying
lens system that condenses light before it passes through the specimen.
Concentrates light on the specimen. Located beneath the stage. First, the iris
diaphragm creates an aperture that regulates the amount of light passing
through the condenser and ultimately the ocular lenses.
Distance= 10 meters and displacement = 0
Distance = 10 meters and displacement = 10 meters
Distance = 10 meters and displacement = 1 meter
It can help show what people believe or understand about the natural world.