The Earth-centered model of the Solar System containsplanets.

8

Explanation:

The Solar System is the gravitation  bound system. In this system sun is the head of family  along with many  kids named as planets the largest are the eight planets and  the remainder kids named as dwarf planets and small Solar System bodies. The Solar System formed about  4.6 billion years back from the gravitational collapse of a giant interstellar molecular cloud. The majority of the system's mass is enclosed by  the Sun, with the majority of the remaining mass occupied by Jupiter.

Your answer is c. explanation: plasma  is the fourth state of matter, derived from the gaseous state of matter.  plasma  can contain free  electrons  and/or  ions. while  plasma is never neutral, it can either be positively or negatively charged.  gases, however, are electrically neutral.