2. the action of abrasion can best be described as
a. windblown sand cutting and polishing exposed rock surfaces
b. coarse sand particles rolling along the desert surface
c. sand being blown high into the air to cut and carve rock formations
d. the wind creating desert pavement

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Me.henley said, “in the rat race we call life, only the strong will survive.” he may have been referring to

You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.