The students in miss washburn’s class use different methods to conduct
investigations. which of the following is an example of an experiment?

group of answer choices:

a) determining the effect of sunlight on the growth of roses

b)taking notes on where birds prefer to build nests

c) making a scale model of the planets of the solar system

d) recording the number of species of birds in an ecosystem

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line

What part of the ear is names after tools, such as the hammer and the anvil?

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill