Acelestial body has these properties: it is too small to clear objects that are in its orbital path. it has a rocky surface but no rings. what could the celestial body be? a. jupiter b. mars c. neptune d. pluto e. an artificial satellite

The correct answer is D. Pluto

Explanation

The characteristics of the celestial body described include the fact this does not clear objects in its orbital path, which occurs in dwarf planets or smaller celestial but not in regular planets. Therefore, none of the planets that make up the solar system fit this definition; this means Jupiter, Mars or Neptune are not correct options.

On the other hand, Pluto that was previously considered a planet is now classified as a dwarf planet due to the fact it does not clear objects in its orbital path due to its size and amount of matter. Additionally, this celestial body has a rocky surface but no rings as it occurs in planets such as Saturn, Uranus or Neptune. According to this, it is likely the celestial body described is Pluto as this is the only one that fits all the features included. So, the correct answer is D. Pluto

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.