Which one of these are not mechanical weathering? a. Sand hitting rocks and breaking the rock into smaller pieces

b. Acid rain changing calcite into limestone.

c. Water breaking a rock in half.

d. Ice wedging causing pieces of rock to break off.

Read this example: original work - a novel about a man's struggles to returnhome to his family after spending the past ten yearsfighting in a war.which work would represent a change to the artistic medium of this originalwork? a. a story written about the man's adventures since the warb. a novel that translates the story into another language.c. a painting of the man wishing he was home with his familyd. a book written about the war the man was fighting