Answer:
A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene. For example, the gene for eye color has several variations (alleles) such as an allele for blue eye color or an allele for brown eyes.
Explanation:
The FDA requires retention of investigational drug study records for The answer is C. At least two years after the investigational drug's approval by the FDA
An investigator shall retain records needed to be preserved under this part for a period of two years following the date a marketing operation is approved for the drug for the explanation for which it is being investigated
Colder air masses are temped Polar or Arctic. While warmer air masses are termed Tropical. Continental and Superior air masses are dry while maritime monsoon air masses are moist. Weather fronts separate air ,asses with different density (Temperature and/or Moisture) characteristics.
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Answer:
The synchronous orbit appears to make the moon more vulnerable to meteor strikes
