Physical Noise is a type of noise is associated with distractions that result from a loud environment.
<h3>What is Physical Noise?</h3>
Physical noise is refer any form of environmental stimulus or noise that causes distraction and hinder people from receiving message or information communicated to them.
Examples of physical noise is when people are talking in the background or background music, causing a noise and hindering someone from getting the necessary information from a conversation.
Therefore, Physical Noise is a type of noise is associated with distractions that result from a loud environment.
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Answer:
e. minimizes any potential differences between the control and experimental groups.
Explanation:
Random assignment -
It refers to the process during an experiment to make sure than all the participants are given equal opportunity , is referred to as random assignment .
It is also known as random placement .
The method is adapted in order to avoid any bias behavior during the experiment .
The method helps to ensure any difference between the groups , in the end of the experiment .
Hence , from the given question ,
The correct option is e.
Answer:
Explanation:
China is 5 hours ahead of Ethiopia.
Answer:
Using alternative crops would help keep the soil healthy.
Explanation:
George Washington Carver who lived between 1860s to 1943 was an American agricultural scientist, and popularly known for his advocacy for alternative crops to cotton and methods to prevent soil depletion. He was considered as one of the foremost black scientist of the early 20th century
In his attempts to improve depleted soils for agricultural purpose, Carver developed techniques that involved farmers to grow other crops, such as peanuts and sweet potatoes, as a source of their own food and to improve their quality of life.
Hence, George Washington Carver think using alternative crops to cotton would help keep the soil healthy.
