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Find out whether the outcome of a coin flip can be influenced by the person flipping the coin.The purpose of this experiment is to determine first the probability of a coin landing heads or tails and ...

Turtle: reptile with an oval shell and a horned beak. It has a very short tail and four short legs, and moves very slowly. See more

Turtle - Visual Dictionary - Copyright © 2005-2016 - All rights ...

Cayman: crocodilian reptile with a broad, short snout, native to the Americas. See more

Cayman - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Cat: carnivorous mammal of the feline family, with retractile claws. There are both wild and domestic varieties. Felidae is the biological family of the cats; a member of this family is called a felid ...

Dog: carnivorous domestic mammal raised to perform various tasks for humans. See more

Dog - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Sperm: male gamete composed of a head and a flagellum. See more

Sperm - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Lighted buoy: floating object used as beacon. See more

Lighted buoy - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Airliner: aerial transport apparatus that is heavier than air and is equipped with wings and engines. See more

Airliner - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Helicopter: apparatus propelled and balanced in the air by two large propellers. See more

Helicopter - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.

Bride and groom: spouse. See more

Bride and groom - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.