What is an example of positive feedback? A)A herd of buffalo running away after one of them spots a lion
B)A pressure cooker valve opening to reduce the high pressure inside
C) A computer screen dimming or when the battery gets low
D) A thermostat switching on an air conditioner when the temperature gets too hot

D) A thermostat switching on an air conditioner when the temperature gets too hot

Explanation:

All other answers choices are negative feedback.

hope this helped!

D

Explanation:

the rest are very much negative

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.