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dexar [7]
3 years ago
7

For the last 100 years, humans primary energy source has been ________.

Biology
1 answer:
Debora [2.8K]3 years ago
8 0
Hey there,
The answer is fossil fuels.

Hope this helps :))

~Top
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The body of tapeworm is segmented but it doesnot belong to phylum annelidai why​
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Answer:

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Explanation:

Flatworms, roundworms, and segmented worms are all invertebrates. Some species of each type of worm are free-living, meaning they are not dependent on another organism.Some are parasitic.

Flatworms belong to phylum Platyhelminthes. They do not have a coelom, respiratory system or a circulatory system.Tapeworms flukes are examples of flatworms.

Roundworms are part of the phylum Nematoda. They are bilaterally symmetrical invertebrates.They have a psuedocoelom. Ascaris lumbricodes is the most common human parasite.

Segmented worms are the most complex animals of these three invertebrates. They are placed in Annelida. Segmented worms have a true coelom, a circulatory system and a digestive system.An earthworm is a segmented worm.

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3 years ago
I need help with 4 through 7. Brainliest and 100points to someone
wel

Answer:

4. Molecules are groups of atoms that have chemically bonded together.

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7. Yes, The smooth functioning of a complex organism is the result of all it various parts working together.

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