Answer:
D
Explanation:
All of the other examples are positive
Answer:
a radio uses the reflections of a coil of wire placed in a permanent magnetic field.
Answer:
Im not sure what are the choices?
Explanation:
6 is true 7 is true 8 is false 9 is true 10 is false
Proteins, among the most complex of all organic compounds, are composed of amino acids (see Figure 2-4), which contain carbon, hydrogen, oxygen, and nitrogen atoms. Certain amino acids also have sulfur atoms, phosphorus, or other trace elements such as iron or copper.