Calculate the change in internal energy (δe) for a system that is giving off 25. 0 kj of heat and is changing from 12. 00 l to 6. 00 l in volume at 1. 50 atm pressure. (remember that 101. 3 j = 1 l ∙atm).

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

All of the following are typical ways through which to find an apprenticeship except: a. guidance counselor b. trade association c. a vocational school d. job postings