Answer:
Letter C. which is Military
Answer:
First sitcom
Explanation:
Not really an explanation, just am for sure of it. I am a huge fan and have seen them all millions of times! Great show!
I believe that the answer is b, because he is a German engineer and the process was named the Siemens-martin process
Answer:
Experiments produce new ideas to explain a natural phenomenon.
Explanation:
In both cases, the controls allow scientists to quantify background variability and reject alternative hypotheses that might otherwise explain the effect of the treatment on the dependent variable. In an experiment, scientists try to manipulate as variables as possible at a time.