If your grandma is trying to social distance why are they taking you to a swimming party (✿◕‿◕✿)

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.

The difference between the observed value and the mean of the set of values is a