Answer:
Because people just do that for no reason
Explanation:
Calcium and magnesium dissolved in water are the two most common minerals that make water "hard." The degree of hardness becomes greater as the calcium and magnesium content increases and is related to the concentration of multivalent cations dissolved in the water.
Answer:
B. Negative Reinforcement
Explanation:
They are reinforcing her behavior of being bothersome by inherently rewarding her instead of letting her know they are busy and teaching her patience
D, by allowing that they never engage in risky behaviors. Knowledge about health can help people understand why some things are risk and why some things aren't.
