I can hear birds chirping outside my open window while I'm in the kitchen.
What is the correct answer

1.Interference
2.Reflection
3.Refraction
4.Diffraction

The chart shows four articles read by the students in a science class

1. what is the electoral college? 




John locke, an enlightenment-era philosopher, influenced the american movement for independence. locke believed that all people were entitled to natural rights. which quotation from the preamble to the declaration of independence refers to natural rights?