Answer:
1. Used in many smoke detectors for homes and businesses to measure levels of toxic lead in dried paint sample to ensure uniform thickness in rolling processes like steel and paper production and to help determine where oil wells should be drilled.
2.Used to treat cancerous tumors to measure correct patient dosages of radioactive pharmaceutical to measure and control the liquid flow in oil pipelines to tell researchers whether oil wells are plugged by sand and to ensure the right fill level for packages of food, drugs, and other
products.
3.Used in medical diagnosis
4.Used to treat thyroid disorders. (Graves’s disease).
5.Used in molecular biology and genetics research.
6.Used in nuclear medicine for lung ventilation and blood flow studies.
7.Used in dental fixtures like crowns and dentures to provide a Uranium-234 natural color and brightness.
8.Used in electric blanket thermostats and to gauge the thickness of thin plastics, thin sheet metal, rubber, textile and paper.
The dimensions of field are . The area can be calculated as follows:
Converting ,
1 km =1000 m
Thus,
or,
Since, cost of new artificial turf is , thus, cost for will be:
Therefore, cost of artificial turf for field will be .
Incase of gases if we will reduce the temperature or if. we apply pressure on gas it will liquify
Hope it helps
Answer:D. Nitrates
Explanation:
Nitrates enter the environment from fertilizers, sewage, or human and animal waste.
Therefore
Farms, golf courses and domestic gardens blame nitrates for contamination.