Two type of microscopes used to view cells are optical andmicroscopes options:

laser
Electron

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

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.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer