In the book the boy who harnessed the wind what is inside the small device he gets from his teacher

Can someone me with questions 15 to 17 plz.

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

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons