What is an isotope? What will be an ideal ...

[crazycityslicker]

What is an isotope?
 
  What will be an ideal response?

Question 2

Drip irrigation systems are
 
  A) less efficient than traditional flood or center-pivot systems.
  B) cheaper, compared to traditional flood or center-pivot systems.
  C) producing greater crop yields.
  D) used for most irrigation of crops in the United States.

[ladyjames123]

Answer to Question 1

Atoms of the same element that have the same number of protons but a different number of neutrons.

Answer to Question 2

C

[crazycityslicker]

Excellent

[6ana001]

Thanks for the timely response, appreciate it