These are called igneous rocks due to them being made from lava from an volcanoe eruption,
 
        
             
        
        
        
Switch A and D, but other than that your answers are correct. 
An astronomical body is an object in space.
A comet is a celestial object consisting of a nucleus of ice and a stream of gas and dust. 
A moon is an astronomical body that orbits around a planet. 
A galaxy is a system of start held by gravitational attraction.
 
        
             
        
        
        
Answer:
The phylum platyhelminthes includes the organism like flatworms, earth worm and many other species. They play a major role in the marine, terrestrial and freshwater ecosystem. It contains a variety of nutrient sources. 
Explanation:
 They are of great importance from the times when there were no other organism.
 
        
             
        
        
        
Answer:
Go to a sex clinic and ask if this is a personal enquiry or listen in your pshe lessons if you have them
Explanation: