Answer:Ice melts when heat energy causes the molecules to move faster, breaking the hydrogen bonds between molecules to form liquid water. In the melting process, the water molecules actually absorb energy.
Explanation:
Malignant tumors are classified according to the type of cells that give rise to them.
Endocrine. Because insulin is a hormone that are produced in the endocrine gland such as pancreatic gland
Choice answer D because it is fully correct