What is the population density of a city with a population of 268,931 in 6,995 square miles?

What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

What must be true for natural selection to heppen

Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?