Does the developing and developing world have equal access to clean drinking water? explain

Which of the following emerging technologies uses the principle of chromosomes to identify suspects

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.