Arecipe gives the instructions below. after browning the meat, pour off the fat from the pan. to further reduce fat, use a strainer. what type of separation methods are described in the recipe?
a. decantation and screening
b. distillation and screening
c. decantation and centrifugation
d. distillation and filtration

When the grand canyon formed many small mammal population were divided. some members of the population were on one side and others are on the other, therefore, they were no able to mate with one another. over time this separation and inability to mate with one another led to the emergence of new species. this type of speciation is called a) sympatric speciation. b) allopatric speciation. c) parapetric speciation. d) peripatric speciation.