Answer:
Genomic Instability
Explanation:
Normal cells have normal DNA and a normal number of chromosomes. Cancer cells often have an abnormal number of chromosomes and the DNA becomes increasingly abnormal as it develops a multitude of mutations.In contrast to normal cells, cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells, however not all changes cause cancer, they may be a result of it.
Answer: (SL) Semilunar Valves
Explanation:
Composting is a form of waste that uses organic materials to put into plants in order to help them grow and flourish. It saves energy, and it doesn't give off many gasses to help the Earth.
However, it is ineffective on the large scale and cannot be mass produced to help Earth instantly because of the large amounts of inorganic materials.
<u>The outer core of the Earth is a liquid layer and it is mainly made up of the metals iron and nickel. </u>
<u>It's also made up of small amounts of other substances. </u>
<u>The outer core is responsible for Earth's magnetic field. </u>
<u>The outer core is the second layer of the Earth.</u>
