What was one benefit that early humans received by living in extended family clans? O learning to write
O creating stone tools
O using fire for warmth
O developing lang"ge

According to subpart d, research with children may be eligible for exemption when: the children will be asked to complete a surveythe research involves the use of educational teststhe children will be interviewed by the researcher.the research with children will involve participant observation with researcher interaction.

The ability to accurately gauge the distance of the coffee cup on your desk as you reach for it is called:

What are the major political parties? how do they affect elections? will give brainliest