What activites increase qmounts of carbon dioxide in the atmosphere

Human activities, mainly burning fossil fuels, are increasing the amount of carbon dioxide in our atmosphere, amplifying the natural greenhouse effect and making the pH of the ocean more acidic.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a