The marginal cost of making a computer is $ 75. At a computer price of $100, a producer _. A. Earns profits B. Just covers costs C. Loses money

What does it mean to conserve natural resources

Which of the following statements about women in most developing economies is false? A. Women are more likely to work in the informal sector of the economy. B. Women are more likely to be poor. C.

WWhat type of system is associated with weather that has lots of clouds and thunderstorms with the possibility of tornadoes? a. low pressure system b. circulatory system c. arctic system d. high pressure system

Scientists refer to plate tectonics as a theory. what is a theory? how is plate tectonics a theory? why isn't continental drift considered a theory?

How does the variety of plants in a biome affect the variety of animals in a biome?

How high does the earth's atmosphere extend? A. 100 m B. 1,000 m C. 10 km D. 100km

How to grow plants in space?

Based on this map of oil imports, which nation imported the greatest number of oil barrels each day in the years before 2006? A. China B. Australia C. Canada D. the United States

How far will a P-wave travel in 9 min 20 sec?

The land in Mexico City is sinking. What is the primary cause of this problem? A. deforestation caused by cutting down trees B. too much water being taken from underground aquifers C. too many offices and towers being built in the city D.