Give meaning of the following words and make sentences using the given words 1) Intimate friend-
2) To feel obliged-
3) Pluge-
4) Hardship-
5) Hyman-

How does the bare soil surface type affect the amount of runoff

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.