Who suggested that a sneer retains elements of baring one's teeth so as to threaten predators?

a. charles darwin

b. william james

c. stanley schachter

d. walter cannon

e. robert zajonc?

How did the french and british differ in the tactics they used to control there empires in asia

Match your vocabulary word to its definition. 1. hectare reduced ability of the soil to support life 2. land degradation of spain and portugal 3. mangrove the pressing of soil particles closer together reducing the amount of air between particles 4. salinization 2.5 acres 5. junta group that controls the government 6. iberian small tropical tree 7. compaction higher than normal salt content in the soil

Which situation would be more likely to occur in the modern era than in earlier periods of human history