Answer:
Almost all of the cells in your body share the same DNA as was found in that first cell*. For a cell to work, 1000's of these proteins must be made, each doing its particular job. Eyes and lungs are so different because different sets of proteins are made in the various eye and lung cells.
1. The heart muscle cells need plenty of oxygen and nutrients so it needs its own blood supply.
2. The heart needs to have a blood supply to get ride of wastes.
Hope that helps. -UF aka Nadia
your answer is Nonpoint source pollution because this occurs due to a spreading of contaminants into a larger area and the actual source of the pollution can not be defined.
some examples are air, water and soil pollution. Mainly from vehicles the air is being polluted and we can not trace it.
same happens in case of water and soil many hospitals, factories, labs and even homes discard some pollutants and we can't find a single source.
if the source is only single place like a particular hospital or handicraft factory than we can call it as a point source pollution.
Answer:
Process called magnetic separation
Explanation:
The magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using magnetic force.
This method is also used to separate the mixture of sand and iron fillings as iron is attracted by magnet.
