They are also called Transform Boundaries
Muscular system.
physical system is impossible.
systemic system is also impossible.
bones works with muscles to help us move so can only be muscular system.
The answer is pollution.
Groundwater is water under the surface of the Earth which is widely used as a source of freshwater. Thanks to its position, it is not as much vulnerable to pollution such as surface water. However, some leaking of landfills, septic systems and agricultural chemicals that can reach it deep down under the surface can cause groundwater pollution.
Answer:
<h2>(A) Protein x normally stimulates cell division.</h2><h2 />
Explanation:
Protein who stimulates cell division are known as proto-oncogenes. If there is a mutation in proto-oncogene ,then this gene is converted into oncogene which causes cancer. Here protein x ( proto-oncogenes) normally stimulates cell division, if new mutation occurs in this gene, then this gene is converted into oncogene and resulted in the formation of cancer.