Mark’s dentist gives him a shot before performing a root canal. the dentist says the shot is anesthesia and that mark won't feel any pain. mark feels his gums going numb, while the rest of his body is working fine. what has the anesthesia actually done?

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit