Ms. Ellenwood wanted to know whether or not the birds in her back yard preferred the bird feeder to be in full sun or in full shade. So, she decided to observe the birds for 30 minutes every morning at 9am. She counted how many birds came and went from each feeder during that 30 minute window and recorded it in a data table. What is the independent variable and what is the dependent variable?

surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation: