Many of houses have fireplaces that are 15 percent efficient and use 15 kg of wood to heat a room to 20 degrees celsius. wanting to reduce their ecological footprint, several of the homeowners are considering switching to wood stoves that are 75 percent efficient. if they do change to using wood stoves, how many kilograms of wood will they save per use?

What will happen to a firms profit maximizing quantity in the short run if there is a significant increase in rent

Which of the following situations would most likely occur if a human-induced event caused the ocean water to become the same temperature around the world? deep ocean current circulation would increase salt distribution around the world's oceans. surface ocean current circulation would distribute heat around land masses at a faster rate. new, fresher water would float on top of dense salt water and limit thermohaline circulation. some land masses in the northern hemisphere would start to warm up over time, melting snow and ice. runoff of surface freshwaters and rainfall would no longer have an effect on the salinity of ocean waters.

  usually, loads of more than pounds require the assistance of a second person.           a. 40   b. 20   c. 50   d. 30