Answer:
The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth's gravitational attraction.
Explanation:
When nucleic acid copies the DNA it stores or transmits <span>hereditary or genetic information.</span><span />
The correct answer would most likely be A
Answer:
C.facilitated diffusion
Explanation:
Because it have some chemicals did you breathe from the person who using cigarettes.
Answer:
A shark's skeleton is made of cartilage , a type of strong but flexible tissue .Most other fish are covered in smooth , flat scales . A shark is covered in sharp , toothlike scales called denticles . Most other fish have flaps over their gills.
Explanation:
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