11. a 3.8 kg object is lifted 12 meters. approximately how much work is performed during the lifting?

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

Where should a carbon monoxide detector be mounted?