Answer:
we now know that it is a piece of matter that cannot be split.
Explanation:
The substance like iodine 131 is used as in medicine which
can help produce various images of organs and tissues. This substance is called
as a tracer. Iodine 131 is a radioactive isotope which is also used to monitor
thyroid gland functioning, to locate tumours in the liver or brain, and also
treat thyroid cancer.
1. A mutation is a "Change" <span>in the nucleotide sequence of a gene within the DNA molecule.
2.</span><span>Chemicals that cause a mutation are known as "Mutagens"
Hope this helps!</span>
Huntington's disease is a hereditary condition in which your brain's nerve cells gradually break down. It affects your physical movements, emotions, and cognitive abilities. There is no cure at the moment, although there are ways to cope with this disease as well as it's symptoms. Genetic testing can definitively diagnose this condition, it may also help you decide whether or not to have children. Some people don't want to risk their children having this defective gene. Symptoms that may occur as the disease progresses include, uncontrolled twitching, difficulty walking, trouble swallowing and speaking, confusion, memory loss, personality changes, speech changes and decline in cognitive abilities. Sorry about the long post! Hope this helps ya'!
Answer:
<em><u>Evaporation, condensation, precipitation.</u></em>
