Hey There Jinny,
<span>What is the most important difference between vertebrates and invertebrates
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The primary difference between vertebrates and invertebrates is the presence of a backbone or spinal column, which vertebrates have and invertebrates do not. Examples of vertebrates are humans, dogs, cats and birds. Examples of invertebrates are flatworms, mollusks, sea urchins and insects.
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Answer:
Savanna do not exist in the united states because there are no true tropic climates.
Theories explain phenomena, whilst laws are generalizations which characterize them.
The answer is coal, C.
It takes a long time to regenerate, therefore it is labelled as non renewable energy.
Answer:
amylase
Any of a class of digestive enzymes, present in saliva, that break down complex carbohydrates such as starch into simpler sugars such as glucose.
