The process of removing small solid objects, like dust, from the air is called .

A) particulate control
B) reclamation
C) evapotranspiration
D) infiltration
E) sublimation

Which term defines a power shared by state and federal governments? concurrent expressed implied reserved

Suppose you are making a map of stars around the sun, and you draw earth 1 cm from the sun on your map. the brightest star in the night sky is 8.6 light-years from the sun. on your map, how far would you place that star from the sun?

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?