B. Velocity is correct because the truck movement is described with a magnitude and direction and the direction is constant.
I think the independent variable has to do with either the size of fish they eat or where they get their source of food, and the dependent is the amount of DDT in the egg.
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The correct answer is: sea stars
All animals listed above are invertebrates. One of the characteristic of invertebrates are that they are protostomes with the exception of Echinodermata (sea stars). The difference between protostomes and deuterostomes is in their embryonic development (orgin of mouth and anus).
In protostomes the mouth forms first: the oral end of the animal develops from the first developmental opening. On the other hand in deuterostomes the first opening (the blastopore) becomes the anus, and the oral end of the develops from the second opening.
Humans are also deuterostomes.
The atmosphere which is the lowest layer
Answer:
Because of the Earths rotation
Explanation:
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