When the human body (its cells) is exposed to radiation (X rays and gamma rays), electrons are emitted from atoms and molecules. ... ・These radicals react immediately with surrounding atoms, causing abnormal chemical reactions (or, minor damage to localized areas of cells).
The alveoli are surrounded by tiny blood vessels, called capillaries carrying blood to and from the heart.
Answer:
Most of the heavy metals on earth came from outer space from supernovas
This occurs when stars die
Explanation:
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Type in the origins of gold and take notes
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Explanation:
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. ... Then, via respiration processes, cells use oxygen and glucose to synthesize energy-rich carrier molecules, such as ATP, and carbon dioxide is produced as a waste product.
