What is the definition of scavenger in science?

What tools did Lewis and Clark use on their expedition? Why do glasses break in the fridge and freezer? Why do doctors recommended that some people use low sodium salt instead of table salt? How do scientists and historians differ in their work How are their jobs similar? Is plutonium a conductor? How many pounds are in 65 kg? Is Evaluating an experiment is important only when the experiment proves the hypothesis incorrect True or False? How do you express 0.0173 in scientific notation? Is throwing paper towels into the trash displacement? If a tube of jello is cut into two pieces what total property of the new piece change? What is the purpose of conducting a scientific experiment? How many miles is 42240 ft? How many liters are 312 deciliters? Is spagetti a common noun? What is the function of forensic response tool kit? What could changes in our ancestors' teeth tell us about the evolutionary history of humans? What are the advantages and disadvantages of using old thermostat? How many feet is 126 yards? Why is there more variety in kingdom than there is in a species? Why is generalization so important?