Author Question: Wind speed is measured by means of a. a psychrometer. b. an anemometer. c. a wind vane. d. a ... (Read 59 times)

Metfan725 · **on:** Jul 28, 2018

Wind speed is measured by means of
a. a psychrometer.
b. an anemometer.
c. a wind vane.
d. a barometer.

Question 2

What happens to the atomic number (Z) and the mass number (A) when a nucleus emits a gamma ray?
a. Z increases by 1; A is unchanged.
b. Z is unchanged; A is unchanged.
c. Z decreases by 1; A is unchanged.
d. Z decreases by 2; A decreases by 4.