Human emotions can be primary or learned. A learned emotion is complex while a primary emotion is basic and instinctual. Which of the following is a primary rather than a learned emotion? fear
B.
guilt
C.
love
D.
shame

What is the leading cause if water scarcity throughout much of the world

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Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.