Answer:
To start off, it's Barack Obama not Brock Obama lol. Barack Obama was the 44th president of the United States.
Explanation:
That should give you a place to start. He also wrote a biography so you can read that too.
I think you wanted to know whether the statement in question is true or false. Based on this assumption, i am answering the question and hope that it comes to your help. It is a true fact that prior to the development of new extraction methods, bitumen or oil sands was not considered part of the world's oil reserves.
Slave rebellion is the correct answer
Map projections can vary on distance, scale, and shape the accuracy and strength and weaknesses depends on the distortion, if you google each type of map and the strength and weaknesses, your answers should come up, just look for and consider the variables I said
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.