Complete the sentences about Earth's early blosphere. After Earth formed, the emerging blosphere had several effects on Earth's lithosphere. For example, rocks and minerals showed evidence
of
caused by the presence of oxygen in alr. In a second example,
actually created new rock after being
dissolved in water or buried underground.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Can a trait be both polygenic and have multiple alleles? explain why or why not.