What percent of the world's population lives on a family income of less than $6,000 per year?
a. 20%
b. 40%
c. 60%
d. 80%
Answer: D
Psychology
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Kendra (female) and Robert (male) are the biological parents of a male child. Which of the following correctly describes how their son inherited his genes?
A) All of them were contributed by Robert. B) All of them were contributed by Kendra C) Half came from Kendra and the other half came from Robert. D) Two-thirds came from Robert and one-third came from Kendra.
Psychology
Brain chemicals, such as enkephalins and endorphins, which regulate the activity of neurons are called __________
Fill in the blank with correct word
Psychology