Density is Mass divided by volume
D = M/V
Hey there!
El Nino typically involves waters with a warmer than usual surface temperature, a flatter thermocline (cooler water moves to the surface), and weaker trade winds. As for La Nina, think of it as the opposite of El Nino. There will be stronger trade winds, and cooler surface water temperatures.
Hope this helps!
Answer:
When it rains and everywhere gets wet. See the change
A constant variable would be an element that remains unchanged and constant throughout the course of the experiment / investigation.