In a parking lot, 20% of the vehicles are trucks and the remainder are cars. If there are 30 more
cars than trucks, how many cars are in the
parking lot?

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

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

What does the first stage of a multistage rocket do?