Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth. Mitosis is important because the organism must: 
1. replace cells that have worn out or died 
2. repair tissue that is damaged 
3. add cells in order to grow 
4. make new kinds of cells in order to develop 
 
        
             
        
        
        
Answer:
a
Explanation:
it is a because nematodes belong to a category of animals
 
        
             
        
        
        
Answer: Water, in its many forms, moves all over the Earth. Water vapor moves with the air currents, falling as rain from the clouds. Frozen glaciers creep slowly down from polar regions, then recede as they warm and melt. Liquid water moves from rushing rivers to ocean currents or to groundwater.
The water, or hydrologic, cycle describes the pilgrimage of water as water molecules make their way from the Earth's surface to the atmosphere and back again, in some cases to below the surface. ... Earth's water continuously moves through the atmosphere, into and out of the oceans, over the land surface, and underground.
Explanation:
 
        
             
        
        
        
Im pretty sure the answer is d but not 100% sure
        
             
        
        
        
North Atlantic current could possibly be an answer