Answer:
Extinction
Explanation:
When a species becomes extinct, every last specimen has died out
I believe the best answer to that question wud be D. I cud b wrong
It's a physical property because it doesn't change the element of the metal.
does this make sense?
Nothing it just changes temp as it is protected by glass layers
Answer:
f = 80 flutter/ second
T= 0.0125 sec
Explanation:
Given data:
Fluttering of wings = 4800 time per minute
Frequency of wings = ?
Period for one wing in sec = ?
Solution:
There are 60 seconds in one minute, thus frequency of wings
4800/60 = 80 flutter per second
Period:
T = 1/f
T = 1/80
T= 0.0125 sec
