Radiometic dating can be best described as <span>a technique to measure the relative age of rocks based on the radioactive decay of isotopes within the rocks</span>
A map that locates genes and markers based on the actual length of the dna sequence is called a physical map. In the physical map <span>molecular biology techniques are used to examine </span>DNA<span> molecules directly in order to construct maps showing the positions of sequence features.</span>
Answer:
- factories produce toxic chemicals
- Groundwater Contamination
- Illegal Dumping
- Sewerage
- Leaks and Spills
- Industrial Growth
Explanation:
Chemical waste is a waste that is made from harmful chemicals (mostly produced by large factories). Chemical waste may fall under regulations such as COSHH in the United Kingdom, or the Clean Water Act and Resource Conservation and Recovery Act in the United States.
[ Impact of Chemical Waste on Water Streams. Improperly managed chemical waste may pollute and contaminate water streams. There are many causes of this type of industrial water pollution, which has both serious and negative impacts on aquatic and human life.]
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Concept 19 The DNA molecule<span> is shaped like a twisted ladder. James Watson and Francis Crick solved the structure of </span>DNA<span>. Other scientists, like </span>Rosalind Franklin<span> and Maurice Wilkins, also </span>contributed<span> to this discovery.</span>