Answer:
The answer is D. contemplation.
Explanation:
Contemplation is the action of looking or thinking about something thoughtfully for a long time.
False.
Extinction = Behaviors that are not reinforced will become weaker (occur less often).
Answer:
Physical, biological, and chemical
Explanation:
Metal shavings from food cans, fingernail, jewelries,Can openers can contaminate food items with biological , physical and chemical contaminants .
They mixed up with food during preparation or opening of the food containers .
Therefore thorough cleaning and proper storage of the food containers and can openers should be well done before opening to avoid contamination
B is your answer, it can indicate when you are working above, below, or in your target zone.