Using Ice Core Samples and Analyses,researchers Have Discovered That Over

question 70

Multiple Choice

Using ice core samples and analyses,researchers have discovered that over the past 800,000 years

• A)glaciers were greatest when greenhouse gases increased the most.
• B)the Earth has gradually been warming and sea levels have been rising.
• C)there is a strong correlation between global temperatures and greenhouse gases.
• D)atmospheric levels of methane and carbon dioxide have steadily been increasing.

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Definitions:

Disseminated

Spread or scattered widely across a body part or throughout the body, often referring to infections, diseases, or substances.

Chemotherapy

A type of cancer treatment using drugs to destroy cancer cells, often by inhibiting their ability to grow and divide.

Bone Marrow Study

A medical examination of the bone marrow, usually involving a biopsy, to diagnose and monitor diseases and conditions affecting blood and bone marrow.

Osteosarcoma

A type of cancer that starts in the bones, usually occurring in the long bones of the arms and legs, and is most common in teenagers and young adults.