Since in Industry we commonly use the the terms mild steel and carbon steel

I know that mild steel is also known as low carbon steel

then what is crbon steel

how do we differentiate that

Help me!

An ice block submerged in the water, if the ice melts level of water Whatwill be the level of water .

1. Increase

2. Remain Same

3. Decrease

Stress is the property of the body under loads. It is defined as a sort of reaction produced by the molecules of the body under some action which tends to produce some deformation. this intensity of these additional forces produced per unit area is known as stress.

Pressure is defined as force per unit area applied to an object in a direction perpendicular to the surface.

Is it fine?

whenever I justify with these terminology people doesnot satisfy with these answer, they always what else 

Please help me out