Which Two Processes Can Generate Energy to Help a Star

question 23

Multiple Choice

Which two processes can generate energy to help a star or gas cloud maintain its internal thermal pressure?

• A)nuclear fusion and nuclear fission
• B)nuclear fusion and supernovae
• C)nuclear fission and supernovae
• D)nuclear fusion and gravitational contraction

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Definitions:

Leukemia

A type of cancer that affects the blood and bone marrow, characterized by the proliferation of abnormal white blood cells.

Neoplastic

Characterized by new, abnormal growth of cells.

Tumors

Abnormal growths of tissue that result from uncontrolled cell division, and can be benign (non-cancerous) or malignant (cancerous).

Colorectal Cancer

A type of cancer that begins in the colon or rectum, parts of the digestive system.