A human may go from being microscopic to being six feet tall in less than 16 years. What change on the cellular level accounts f
or most of the change in size? A.
the shape of the cells changes
B.
the number of cells increases
C.
the size of the cells increases
D.
the number of different kinds of cells increases
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.
The use of alcohol is associated with an increased risk of injuries and accidents. Even a single episode of excessive drinking can lead to a negative outcome.
The sea affects the climate of a place. Coastal areas are cooler and wetter than inland areas. ... In the summer, temperatures can be very hot and dry as moisture from the sea evaporates before it reaches the centre of the land mass
