Explain how the mucoliary elevator prevent foreign material from getting into the lungs

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Asolution containing hci would likely have

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?