Best explains the cause of civilizations being able to develop a division of labor

Anode is a point on a wave where there is no vibration. a.true b.false

For 50 points.. some organisms feed on other organisms without immediately killing them. what term describes this act? a. predation b. commensalism c. mutualism d. parasitism

Which of the following are ways that a citizen can address issues in the nation? learn how government works first. give money to special interest groups. volunteer to special interest groups. study the record of representatives and vote in elections. employ executive restraint in the office of the u.s. president.