How rare is it to die from a tooth infection?

The body is protected against harmful flu viruses by

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.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?