How do noninfectious viruses affect a humans body?

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?