What is a critical load?
A) the amount of nutrient augmentation necessary to bring a depleted habitat back to its former level
B) the level of a given toxin in an ecosystem that is lethal to 50% of the species present
C) the maximum abundance level of a particular species, beyond which additional numbers will degrade a habitat
D) the amount of added nutrient that can be absorbed by plants without damaging ecosystem integrity
E) the number of predators an ecosystem can support that effectively culls prey populations to healthy levels
Critical thinking model for safety assessment
A typical battery load tester hookup.
Air flows through the PCV valve during acceleration and when the engine is under a heavy load.
Preload is related to the amount of blood and stretching of the ventricular myocardial fibers
Understanding the Essentials of Critical Care Nursing
Critical-Thinking Tip