Propose another experiment that could be used to demonstrate that friction is a contact
force,

This territory was the site of numerous spanish missions but was severely depopulated in the 17th century by infectious disease and warfare with other indian tribes

Analyze the photo below and answer the question that follows. photo by perry quan what kind of service does the facility in the photo above provide, according to christaller's central place theory? a. low-order service b. high-order service c. low-growth service d. specialized-need service

What is the difference between an observational study and an​ experiment? choose the correct answer below. a. in an​ experiment, a treatment is applied to part of a population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. b. in an​ experiment, a treatment is applied to an entire population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. c. in an​ experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational​ study, a treatment is applied to part of a population and responses are observed. d. in an​ experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational​ study, a treatment is applied to an entire population and responses are observed.