How are jet streams and global wind belts differ

Which of there factors contributed most to us westward expansion in the second half of the nineteenth century?

The earth's internal process which drives seafloor spreading is

Drag each label to the correct location on the image.the diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which sare at their highest and most active.progesteronelevels highestrogen levelsconsistently riseluteinizinghormone levelshighdeveloping follicleoocytemature egg