Protanopia is thought to come from having __________ cones filled up
with __________ photopigment.
Fill in the blanks with correct word
red/green
Psychology
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The male and female barrier methods of contraception are ______ and _________
a) condoms; diaphragms b) vasectomies; the pill c) condoms; the pill d) vasectomies; diaphragms
Psychology
A key to economic growth in a world economy that is increasingly based on information, technology, and services is ____
a. an educated population b. the number of laptops per capita c. a banking system willing to fund experimental projects d. a government that keeps tariffs low
Psychology