If the volcanic ash from an eruption extends to 3.6 miles into the atmosphere, how many kilometers does this represent? (hint: 1 mile = 1.6 kilometers.)
a. 2.3
b. 3.2
c. 5.8
d. 8.5

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.

What enzyme is most important for dna replication and why?

Where substance is produced during cellular respiration