How are seismic wave being used to develop an accurate image of earth's interior?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.