On what day does lh reach its’ maximum concentration? what is happening with regard to the ovary at this point and what is happening with regard to the menstrual cycle?

answer; i believe the correct answer is (replication is not conservative);

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

d. groundwater flows through the subsoil and deposits minerals.

c. is the correct answer