Answer:
first one is a and second is a greek history and mythology is my thing
Explanation:
Researchers like De-Casper use the suckle rate, that is, the rate at which the infants take the breastfeeding, to test the preferences of newborn infants.
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Who is De Casper?</h3>
Anthony James De Casper is a psychologist who researches the prenatal and neonatal experiences over the development of cognitive abilities in a human being.
The suckling is the process where a newborn baby is fed with her mother's breast milk. The rate of suckling is how fast the newborn infants learn to take fed, is actually used by the researchers like De-Casper to identify the preferences of newborn babies
Therefore, the researchers used the suckle to get to know about the preferences of newborn babies.
Learn more about the De Casper in the mentioned link:
brainly.com/question/4728206
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Warfare was the most common and successful way in which the Incas were able to expand their empire.
I would say the parliamentary system
