How do human activities contribute to climate change and how do they compare with natural influences?

How does the structure of the organelle affect its function? Why does mercury not flow down when the mercury thermometer is held upside down? What is external calibration and is it the same as the manual calibration of equipment? Is alcohol digested slowly by the stomach and small intestine? What area applies to an ectomorph body type? Do All nutrient cycles consist of elements and involve living organisms at some point? How would you respond to someone who makes a statement that it is not important to protect areas of temperate and polar biomes because most of the worlds biodiversity is in the tropics? What does amps mean? Are hillbillies and rednecks the same thing? What date was wake acquired on? How do you explain to kids how sedimentary rocks form? Famous Canadian landmarks? What is the food making material in leaves called? Which component cosists of a thermal sensing element used to regulate the flow of liquid refrigerant into an evaporator? What makes ice freeze longer sugar salt or vinegar? What happens to the temperature and humidity in a cold front? What are elements a mixture of? What is a newpoint surge protector? What would happen if a forested was replace by a asphalt parking lot? When was the standard system created?