What's the term for the idea that there aren't enough resources to satisfy everyone's wants and needs? a. scarcity b. consumer c. supply d. demand

Air enters a compressor operating at steady state at 1.05 bar, 300 k, with a volumetric flow rate of 93 m3/min and exits at 12 bar, 400 k. heat transfer occurs at a rate of 15.5 kw from the compressor to its surroundings. assuming the ideal gas model for air neglecting kinetic potential energy effects, determine the power in put in kw.

In a vernier instrument the main scale is in 1/2 mm divisions .vernier is made by redividing 19 such divisions into 20 equal parts. calculate the least count of the instrument.

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes