Given the structure of Se analog of an S8 ring structure and the atom numbering scheme as shown below,

Give the number of peaks in the 77Se (I = 1/2 , 7.6%) NMR spectrum of the compounds with substitution of Se in S positions indicated:
1. Se substitutions in positions 1 and 2
2. Se substitutions in positions 1 and 3
3. Se substitutions in positions 1, 2 and 4

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Modern weaponry has increased the number of deaths in wars and violent conflicts.

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls