The sun and all of the objects that orbit it are known as

The sun is surrounded by planets; murcury, venus, mars, earth, jupiter, saturn, uranus, neptune and pluto aswell as the kuiper belt and the oort cloud. This is called the Solar System. There are also moons, asteroids, comets and meteoroids.

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

c should be the answer