Lithium and oxygen react to form lithium oxide. what is the balanced equation for this reaction?
oa
2li + o2 → lizo
ob. li + o2 . lizo
oc 4li + o2 2l120
.
od. 2li + 202 – 4lizo
x

Rotenone is an insecticide that is toxic

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

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