What is the role of where it is produced?

Explain the importance of producers, primary consumers, secondary consumers and decomposers in an ecosystem.

How many cells are our body made of ? ♡

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.