Leakage radiation from the x-ray tube cannot exceed which of the following at a distance of one meter?

a. 6.45 x 10-6 coulomb/kg/hr (25 mr/hr)
b. 1.29 x 10-5 coulomb/kg/hr (50 mr/hr)
c. 1.94 x 10-5 coulomb/kg/hr (75 mr/hr)
d. 2.58 x 10-5 coulomb/kg/hr (100 mr/hr)

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that