Carbon is the main chemical that helped make the first life forms on earth and the life forms were ameba
Answer:
140 beats per minute
Explanation:
There are 60 seconds in a minute and we know that Sherry felt 14 beats in 6 seconds if you multiply 6 by 10 you get 60 seconds which can be 1 minute. Then you multiply 14 by 10 since you 14 by 10 since you multiplied 6 by 10 and you get 140 beats per minute.
Answer:
The maximum height of the ball will be "16.53 m".
Explanation:
Given that,

As we know,
The initial as well the final height on the ball will be same after it reaches it's maximum height.
then,
⇒ 
where, 


hence,
The max height of the ball will be:
⇒ 



Answer:
C
Explanation:
Light with energy above a certain point can be used to knock electrons loose, freeing them from a solid metal surface, according to Scientific American.
photoelectric effect is the emission of electrons when electromagnetic radiation, such as light, hits a material