Answer:
Physiological
Explanation:
She is satisfying her kids' physiological needs
Answer:
Explanation:
- thomas edison electric lightbulb - allows factory workers to work after dark
- james watts steam engine - provided affordable power for factories,
trains, and ships
- eli whitney cotton gin - provided an efficient way to process cotton
to use in the growing textile industry
- henry bessermers bessermer process - provided an economical way to convert iron into steel to produce machinery for trains and factories
- louis pasteurs pasteurization process - provided a way to keep food products safer longer and reduce health risks
Answer:
Writing was Rachel Carson's greatest skill and Silent Spring was her most important contribution to the world since it launched the global environmental movement today. Carson worked to purge the United States of deadly pesticides like DDT that were used everywhere across the U.S. in agriculture and elsewhere.
Explanation:
The answer is: An experiment is proposed on the relationship between gender-related stereotypes in math and the subsequent performance by males and females on math tests.
Here the requirement for research with human subjects according to the Fed :
<em>"Obtains information or biospecimens through intervention or interaction with the individual, and uses, studies, or analyzes the information or biospecimens; or Obtains, uses, studies, analyzes, or generates identifiable private information or identifiable biospecimens."</em>
The experiment on the second option fulfill the criteria because:
- The experiment should use studies or analytics to obtain some sort of private information from the subjects. (<u>such as test scores and subjects' anxiety level)</u>
- The experiment should make some sort of intervention that can be used to measure its hypothesis. (<u>the test above could divide the subjects into two groups. First group of female subjects could be make to take the test without the presence of male subjects while the second group do the test with the presence of male subjects)</u>
- The researchers need to interact with the subject in a certain way.
<u>(meaning that the subjects can't be anonymous to the researchers</u>)
