Answer:
Thomas L. Jennings was the first black man to receive a patent. The patent was awarded on March 3, 1821 (US Patent 3306x) for his discovery of a process called dry-scouring which was the forerunner of today's modern dry-cleaning. Jennings was born free in New York City, New York in 179
Explanation:
<span>The examples of third gender demonstrates how in different cultures everything is not strictly male or female and that there can be some fluidity in gender classification and identification.</span>
The answer is: his study does not qualify as an experiment. For the study to be an experiment, Dr. Kline would have to manipulate the independent variable in a group (for example, apply a certain treatment) and also have a control group to which he doesn’t apply such treatment.
In this case, the study is an observational study because he only observed the subjects that were in the zoo that morning and measured the variable of his interest, that is the environmental attitude of the visitors, he did not apply a certain treatment to the group nor manipulate any variable.
The correct answer is letter d. Coherence. The logical presentation of smoothly connected ideas is known as coherence. <span>Coherent logic has been recognized by a number of researchers as a suitable logic for many everyday mathematical developments.</span>