Hey there!
I believe the answer you're looking for is radio wave
Hope this helps!
Ecosystem. it is defined as a biological community of interacting organism and their physical environment.
Answer:
it is called tympanostomy tubes. they also help to equalize pressure
Should be called the Manubrium!
Explanation:
The experimenter alters the independent variable with the hopes of collecting data about how the dependent variable changes in response.Other variables have to be controlled so that any changes of the dependent variable are attributed to the known independent variable.
