Answer:
A food web is made up of all the food chains in a single ecosystem. Each living thing in an ecosystem belongs to many food chains. A food chain is a path that energy takes through a certain ecosystem. Trophic Levels. Organisms in food webs are grouped into categories called trophic levels.
Explanation:
I HOPE THIS HEPLS HAVE A WONDERFUL DAY!:)
Matter is anything that has mass and volume
Explanation:
Here's an oxidation chart to help
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Because the chemicals are different
Answer: An existing theory is modified so that it can explain both the old and new observations.
Explanation: