Which of the following is not a way humans have impacted the tundra?
a. oil drilling
b. logging
c. overgrazing
d. mining

What is the orange line on the graph and why is it important? describe the pattern of hurricanes reaching the usa since 1960

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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