Which organisms form the base of all ecosystems?
Select one:
a. scavengers
b. producers
consumers
d. decomposers

b. producers

Explanation:

without producers, consumers cannot get the energy they need to survive (also because I said so)

introduction of a drug directly into the respiratory tract is a form of inhalation administration.

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.