Of the different sources of genetic variability which one produces the variation seen by the combination of any particular male gamete to any particular female gamete?

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

What do nitrifying bacteria convert