Which two substances are among the six most abundant elements in living things

What are the qualifications to be a member of the house of representatives

Mankiw attributes – chapter 1 and his 10 principles – differences in living standards within a countryover time and across countries at a moment in time to: a. the presence or absence of inflation and unemployment. b. the allocation of resources between private markets and the public sector. c. those that have dealt successfully with the efficiency v. equality tradeoff and those that haven’t. d. differences in productivity. e. ones that think at the margin and respond to incentives and those that don’t.

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