Which of the following objects is not a part of our solar system? a. the north star b. the dwarf planet pluto c. the asteroid belt d. jupiter’s moons

The Answer is: A. The North Star

Explanation:

Pluto is part of the Solar System as is the Asteroid Belt and Jupiter's moon. The North Star, Polaris is about 430 Light Years away. That is, it is far enough away that light has to travel 430 years in order to reach between here and there.

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answer: zinc is the substance which has a volume of 1.38 .

density is defined as the mass of an object per unit volume.

it can be calculated by dividing mass of a substance by its volume i.e.

si unit of density is kg per cubic meter and cgs unit of the same is gram per cubic centimeter.

now from the given data volume can be calculated by the formula .

hence, the volume of aluminium will be = which comes out to be 1.703 .

similarly, volume of zinc, chromium, and nickel will be 1.378 , 0.869 , and 0.356 respectively.