What are two conditions needed to change a pre-existing rock into a metamorphic rock

Indicate whether the scenario below is safe or unsafe: when storing a flammable liquid, you decide to separate it from other materials by a fire wall.

Symptoms of include nausea, vomiting, improper digestion, and severe abdominal pain, and sufferers may develop diabetes. a. pancreatitis b. hepatitis c. gastritis d. none of the above

Margaret, a vegetarian, is looking for a mushroom with a meaty texture to grill and eat instead of a hamburger. which of the following mushrooms would you recommend?                 a.  lobster      b.  matsutake      c.  shiitake      d.  portobello