Answer:
Without genetic diversity, natural selection cannot occur
They wanted access to Africa’s natural resources such as rubber, wood and arable land. It was also seen as an opportunity to grow their economy and build a stronger union
Answer:
A) The emotional or neutral word list.
Explanation:
In research there are two types of variables:
- The independent variable refers to the variable that the researcher can manipulate and that will have an effect on the dependent variable.
- The dependent variable is the variable that is being affected by the independent variable and it's the one that the researcher cannot control.
In this example, Dr. Jeffries gives a lists of 20 words to two different groups, one list is very emotional in content and the other is a neutral list. Then he measures how many words each group can remember. We can see that <u>the variable that he can manipulate is the list they are given and the emotional content of each one </u> (which will have an effect on memory, according to him). Thus, the independent variable is the emotional or neutral word list.
Answer: An oil rig
Explanation: The Deepwater Horizon oil spill was an industrial disaster that began on April 20, 2010, in the Gulf of Mexico on the BP-operated Macondo Prospect
