People began to domesticate animals and crops...
and as their tools became better they were able to grow crops and livestock
Answer:
running a controlled experiment.
Explanation:
In an experiment on how drinking dark beverages affects tooth color, red wine, cola, coffee, and tea are tested. In doing so, the researchers gathered people of the same age and gender into groups for testing. By making sure that each group had people of the same age and gender, the researchers were running a controlled experiment.
A controlled experiment is the one which is carefully curated by the scientists. The chosen participants are set in a controlled environment and are observed closely, as per this experiment.
<span>the Kwakiutl mask called crooked beak </span>is one of four monstrous beings who eat human flesh
In indian cultures, crooked beak has the power to granted humans with various forms of Mystical power. But he often trapped many humans into a pit and eat all of the brains while accompanied by bird that will eat the remaining humans' brains.
Answer: C
Explanation: The correct answer is letter C, lack of research and data supporting his theory. Many critics were made to Skinners book but the main reason it never became popular was because of the lack of empiric testing of the concepts mentioned on it.
Chomsky's critics were based on this book only, not taking into consideration the previous development of Skinners theory; but Skinner never actually responded to this critics.
Answer:
I think the answers are numbers 1, 2, and 3.
Please tell me if i'm right or wrong.
