What is efficiency?
A.) using the maximum number of resources to produce goods and services
B.) replacing old ways of producing goods and services with new tools and methods
C.) using resources in such a way as to maximize the production of goods or services
D.) finding the most expensive, time-consuming way to produce a good or service

What happens to rock when acid reacts with it?

Given f(x) = 3x= 1 and g(x) = 2x-3, for which value of x does g(x)= f(2)? its for algebra

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel