Selection bias
is a kind of error that occurs when the researcher decides who is going to be studied.
Because a science-based understanding of our universe is, more than other (myth-based or religious-base) understandings, capable of delivering (1) measuring instruments by means of which we can test our hypotheses regarding the structure of the universe and (2) a scientific language that is as much as possible free from ambiguity and vagueness.
Egypt's upper class was made up of the wealthy people (nobles, priests) and they usually work as government officials. These people lived on large estates in big cities.
Egypt's middle class were the people who ran small businesses or produced goods. (They were mostly artisans)
The lower class mainly consisted of farmers (who made up the majority of the population)
The Egyptian society was divided into social groups based on wealth and power.
Answer: This is customer to customer online marketing
Explanation:
This is a way that customers create a productive ways to interact with each other in order to trade product that can be sold online with easy access.
This means a customer has a relationship with a particular business where they buy product that they can sell online at advertise online
A third part is used to sell these product or advertise them a third part as in this case is an online platform.
Consumers are able to advocate for the quality of that product .
Answer:
Im pretty sure it is Weight and Mass but iim not sure because it is physical science and physical means physically touch or move.
Explanation: