Correct answer is B.
Explanation:
In their nucleus cells contain DNA. The DNA has information about size, shape and function of each cell. When the cell reaches it's full size it stops growing and starts doing whatever it's function is. If more cells are needed then the cell replicates. This explanation excludes answers A and C.
Male and female sexual cells are used to conceive a baby. These cells combine to form a new type of cells. In the first few weeks all types of cells are created. Then the creation of new types of cells stops and existing cells multiply in order to achieve needed number of cells. This explanation excludes answer D.
When we compare an adult person and a baby we can see that, for example, an adult has bigger bones than a baby. This was result of increasing number of existing types of cells without creating any new type.
<span>They're all the same, officially tropical cyclones. But they just use distinctive terms for a storm in different parts of the world. </span>Hurricane<span> is used </span>in the<span> Atlantic, Caribbean Sea, central and northeast Pacific. They are</span>typhoons in the<span> northwest Pacific.</span>
Answer:
humus
Explanation:
Humus
<u>Humus is the amorphous organic matter in the soil .</u>
It affects the bulk density of the soil and contributes in the retension of the nutrients and moisture of the soil .
It mostly contains organic matter , and is naturally composed from dead and decaying plants and animals .
Humus is a dark color organic matter , and have many nutrients which nourishes and improves the heath of the soil .
Answer:
Threats to the Great Lakes' ecosystems, include invasive species, climate change, pollution, and habitat destruction. Climate change affects water temperatures, weather patterns, and lake levels. Pollutants from residential, agricultural, and industrial areas reduce water quality.
Explanation:
I believe the answer is one mile =1,760 yards
