Which statements accurately describe the state of trade in Asia in the year 1400? Check all that apply. o Southeast Asia exported rice, pepper, sandalwood, and tin.

o Holland exported spices.

o Portugal exported silver.

o India exported cotton.

o China exported fine silks and porcelain.

Most small cars a. more power than larger cars b. the same power as larger cars c. less power than larger cars

List and define the two main problems when heavy pumping of wells occurs?

Many of the houses have fireplaces that are 15% 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 woodstoves that are 75 percent efficient. if they do change to using a woodstove, how many kilograms of wood will they save per use?