Wind speed is measured by means of a. a psychrometer. b. an ...

[Metfan725]

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.

[Christopher]

Answer to Question 1

b

Answer to Question 2

b

[Metfan725]

Excellent

[xiazhe]

Thanks for the timely response, appreciate it