Please I need help with this thanks to anyone willing to help

Which of the following increases output thout requiring more input? a) land b) human capital c) physical capital d) technological progress

Collin wanted to purchase a truck with four-wheel drive, a cd player, and a gps. since he had saved just enough for the base model without these features, he decided to buy the base model and forego getting a car loan. which biblical principle did he follow?

Which group’s rights—human participants or nonhuman animals—are the most important to protect? why? not really a right or wrong answer, but give a detailed explanation