The pattern of in an area over a long period of time is called a. climate, temperature b. weather, climate c. weather, rain d. climate, weather

The pattern of weather in an area over a long period of time is called 'climate'. (B)

In other words:  

-- What it's like outside your house today, in the middle of March, is the 'weather'.

-- The 100-years average of what it's like outside your house in the middle of March is the 'climate'.  

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.