The toxins are the substances which decreases the conc. of oxygen in wzater and increase toxicity
Percentage of human sperm cells carry an X chromosome is C 50%
The answer is B. Paleozoic
This era was the first era where insects, amphibians, and reptiles roamed the Earth.
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Because they supply much energy to the food by preparing their own food because the above one can't prepare it own their own
Answer:
Sea turtle migration is the long distance movements of sea turtles. It may refer to adults or the offshore migration of hatchlings.
