Answer:
8
Explanation:
an atom can only have 8 electrons on level one
Answer:
A.) Gamma Rays
Explanation:
they are generated by nuclear fusion reactions on the sun or radioactive decay of uranium in the Earth's crust.
Answer: The temperatures on the moon can reach 100 degrees during the daytime, and at night it can get as cold as -173 degrees
Explanation:
X-rays
used to measure bone density.
<u>Explanation</u>:
The bones density test measured by the X-rays, it measures the content of calcium and other bone minerals that are packed into the segment of bone. Most commonly used parts of bone for testing are spine, hip, occasionally and the forearm. It is generally done to know the chances of osteoporosis. More the bone minerals, more will be density. More density means the higher bone strength. Before the test, a person should avoid having calcium supplement.