Answer:
Explanation: DNA is little strands of genetic codes that is developed when we are first concieved. When we are concieved, all of our genetic information from our parents is passed down to us. That genetic information is what determines which trait we get from each parent.
The bone marrow manufactures most blood cells.
Answer:
Air masses are also identified based on whether they form over land or over water. Maritime air masses form over water and are humid. Continental air masses form over land and are dry. Therefore, an air mass that develops over northern Canada is called a continental polar air mass and is cold and dry.Air Mass is an extremely large body of air whose properties of temperature and moisture content (humidity), at any given altitude, are fairly similar in any horizontal direction.
Explanation:
<span>b. assist a cell in dividing and transmitting its dna to new cells. </span>
