Which of these processes always causes a physical change of the shape of a material ?

Grinding

Explanation:

Cause grinding can change the shape of any object.

While heating may melt some things it won't melt all. Some things don't burn and weighing doesn't change any thing. That's just seeing how much something weighs.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.