BLUE WHALE CHALLENGE OR PINK WHALE CHALLENGE
WHO WANT'S TO PLAY ???

PROBABLY NONE :)
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When you have proper posture, your back is arched. a. true b. false

Which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases