Which statements are true?
check all that apply.
a. if heat is added to a substance, the temperature increases unless there is a phase change.
b. as heat is added to a substance, the temperature stays constant or goes down.
c. if heat is added to a substance, the temperature always increases.
d. during a phase change, the temperature of a substance does not change.

- "the acute form of diverticulitis can manifest itself with one or more severe attacks of infection and inflammation.

the inflammation of diverticulitis can eventually result in a bowel obstruction, which may cause constipation, thin stools, diarrhea, abdominal swelling or bloating, and abdominal pain."

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.