A copper wire 3.0 m long and with a cross-sectional area of 0.050 cm2 is subjected to a tension of 84 N. Calculate (a) its elongation and (b) the force due to tension required to reach the elastic limit.

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.

The correct answer is  "c".  it is "c" because melting is an endothermic change, and endothermic get's energy from surroundings. 

What do you mean there’s no jelly beans