Answer: C. aspirin; headaches
Explanation:
The variables in an experiment are either dependent or independent. An independent variable is the change that is introduced to test the hypothesis. A dependent variable on the other hand is the one being monitored or measured due to the introduction of other variables.
Here Headaches are the dependent variables as the experiment is to monitor whether the introduction of aspirin, the independent variable, takes headaches away.
Answer:
B
Explanation:
but what is the underlined word
Supercentenarians people are people who live a 100 years and older. Generally worldwide the life expectation is less than 100 years and thus this people are referred to as supercentenarians since they live etreme longer. According to reaserch conducted in us in 2012 thy were allowed 316300 living centenarians world wide.
Answer:
The violent phase of Central African colonialism, involving the forced extraction of rubber, ivory, and timber, was followed by a more systematic phase of economic organization. One facet was the establishment of formal plantations on which to grow oil palms and rubber trees.
