Which of the following genetic conditions results from a problem with segregation

Are the earth's ocean floor and continents the same age geologically? why or why not?

What substance acts to prevent sudden ph changes in bodily fluids?

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere