Jackie and Kim are each holding one end of a rope. Jackie moves her end quickly up and down. The rope moves up and down, as shown below. What are Jackie and Kim modeling when Jackie moves the rope up and down?
A.
a circuit
B.
a magnet
C.
a prism
D.
a wave
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Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.