Question 1
The fact that the majority of people are ________ in the food chain means that they can obtain the ________ dose of pollutants from the food they eat.
◦ primary consumers; smallest
◦ primary consumers; largest
◦ top carnivores; smallest
◦ top carnivores; largest
Question 2
The greatest pool of carbon on Earth resides in
◦ the oceans.
◦ living matter.
◦ the atmosphere.
◦ the lithosphere.