Answer:
abrasion
Explanation:its another word for erosion
Answer:
Insulin and glucagon
Explanation:
Insulin and glucagon are hormones that help regulate the levels of blood glucose, or sugar, in your body.
Well it surely isn't nuclear, or electrical. It's not radiant either.. So the only answer is chemical.
Answer:
D I guess because grinding optical glass and for polishing metals and has also been made into sandpapers and grinding wheels.