Jayda wants to study the chemical properties of iron. how could she do this?

a. she could observe the sample’s reactivity with moist air.
b. she could find the mass of the sample.
c. she could find the density.
d. marianne could hit the sample with a hammer.

What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential

A( developed during the process of technology design

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.