vaccines are weakened viruses or bacteria that prompt the body to develop antibodies to foght against disease
Answer:
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It makes you sweat which keeps the body cool on a hot day
to classify it as a protostome, zoologist must see for the mouth development in the embryo.
Explanation:
The protostome are the animals which are unique to their three germ layer in embryonic development, with the bilateral symmetry as they have the ability to fly with other protostome developments.
the one characteristic feature to distinguish them as the protostome, mouth part development is to be sought as the mouth develops but not the anus in the embryo. the mouth parts serves unique to the group and their feeding structures.
Answer:
The answer is water
Explanation:
Hydro means water. So the hydro sphere can be affected by water pollution from human wastes.