Lead I believe would be the heaviest because gold is relatively light
The most important factor to consider when selecting sources for an essay is the level of detail provided by the source.
<h3>What factors are considered when selecting a source for an essay?</h3>
When writings essays, it is important that the contents are factual and well-researched.
It is also important that the source materials required for the last to be easily accessible as this will help in the completion of the essay.
However, the most important factor to consider when selecting sources is the level of detail provided by the source.
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Answer and Explanation:
Platyhelminthes are mostly worm like organisms that are dorsoventrally flattened, meaning they look like a leaf and this is why they are coined names like the Tapeworm, Flatworm, Fluke and Planarian.
Most Platyhelminthes are parasites on other animals but only the Turbellarians are mostly non-parasitic. A few species are commensalists, or mutualists living with other larger organism.
They are classified into:
- Class Turbellaria
- Class Monogenea
- Class Trematoda
- Class Cestoda
Answer:
D.Most bilaterians have tissues but some do not.
Explanation:
