How many grams of carbon dioxide are produced from the combustion of 250 g of ethane, c3h8?

How many questions do they give on the sat

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same