trait is the one expressed in an offspring if at least one of the parent is dominant. trait is the one characteristic expressed if a recessive allele is given by both parents. please please answer I beg asap pls

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Which activity is an innate behavior

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt