What is often the first step in the formation of a volcano?

mantle rocks begin to melt

Explanation:

melt when temperature raises, pressure lowers or water is added

answer:

i dont know but you should start brainstorming ideas like how would you post them

explanation:

answer:

1: productivity. productivity is an important reason for developing it systems.

2: information. it systems are key to delivering the information and intelligence you need to improve innovation.

3: cost reduction.

4: collaboration.

5: customer service.