The term menarche refers to

the beginning of growth of the uterus.
the first ovulation of a mature egg.
a girl's first menstrual period.
the first year of menstruation, which is usually anovulatory.

a girl's first menstrual period.

Psychology

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Many people often assume that old age is generally an unhappy stage in life. It is also assumed that mental ability inevitably decline with age. Does the research support these beliefs? Provide specific research findings to support your argument

What will be an ideal response?

Psychology

Ben has a series of X-ray photographs taken from around his head at different angles. A computer program then combines these images into one picture of the brain. Ben has just received a(n) _____ scan.

A) CT B) PET C) MRI D) fMRI

Psychology