There is no evidence indicating that cigarette smoking has skin-aging effects. true or false

Which one of these is a involving in both sexual and asexual reproduction

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.