Arnold is concerned about his impact on the environment. currently he drives a car that only gets 12 miles per gallon of gas. which of the following would be the most effective measure to lessen his environmental impact?

Is water wet? and is fire on fire?

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Maria is going to a hiking trip this weekend. she has been busy shopping for the trip. which of these items that she bought are a want for her?