When you are approached by an emergency vehicle sounding a siren, having at least one lighted lamp exhibiting a red or blue light you do not need to do anything, keep driving as before. a) true b) false

The zone, which exists from a depth of 0 to 600 feet, is home to the majority of ocean life.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.

Speed is the ratio of the distance of an object moves to