A planetary nebula is a (ring-shaped) type of nebula formed by an expanding shell of gas around an aging star. *a planetary nebula is a type of nebula*. im not completely certain though. i might be wrong.
The Yangtze River is 6,300 kilometers long
Answer:
The land retains more energy than the oceans.
Explanation:
This is because land surfaces are darker which means water reflects more solar and radiation
Answer:
pollination is a type of reproduction in flowers in which the pollen of male meet with female pollen is called polenation
