Pluto was reclassified by the International Astronomical Union (IAU) because it does not meet the third criterion for a full planet: it has not 'cleared its orbital neighborhood' of other debris. Pluto's mass is only a fraction of the total mass in its orbital zone, unlike the eight planets that have cleared their orbits of most other objects.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• ivwananji siwale – 29 pts

• Distance of A Straight Line
• Mid-point of A Line
• Equation of a Straight Line
• Parallel and Perpendicular Lines
• COMMUNICATION SYSTEMS