Answer:
E means energy
M= Mass
C=speed of light squared (the exponent means squared)
Meters per second squared:

If you think about it, acceleration is about how fast speed changes. Speed is measured in meters per second:

So if you take that and just measure it over time, you get meters per second squared.
Answer: an ectomorph is a body type that struggles to gain weight and muscle
A mountain lion is a consumer , a worm is a decomposer !
Hope this helps! :)
Answer:
I think the answers March 21