Deficiency can cause night blindness in pregnant women and may increase the risk of maternal mortality. a. iron b. iodine c. vitamin a d. calcium

Which describes the effect of prolonged stress on blood pressure? it causes blood pressure to decrease. it has little or no effect on blood pressure. it causes the heart to pump with more force. it causes blood pressure to increase.

Which one is not a part of the base of the cranial cavity? a.scala anterior b.scala media c.scala lateralis d.scala posterior

Which practice is harmful to the land? a. using animal waste as fertilizer b. composting with peels from commercial fruit c. throwing paint cans in the garbage d. cutting the lawn with a gas-powered mower