According to the text, one in _____ visitors to pornographic Internet sites is a woman

The very ends of chromosomes in cells that may be correlated with longevity are known as ______

Fill in the blank with correct word

Which of the following statements refutes the idea that chimpanzees can use language?

A) Chimpanzees sometimes use symbols to engage in social interactions. B) Chimpanzees learn better as young animals than as adults. C) Chimpanzees are unable to effectively master syntax. D) Chimpanzees learn new words or signs easily.