Asolid substance is an excellent conductor of electricity. the chemical bonds in this substances are most likely

1. ionic, because the valance electrons are shared between atoms
2. ionic, because the valance electrons are mobile
3. metallic, because the valance electrons are stationary
4. metallic, because the valance electrons are mobile

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

Evaluate this exponential expression,8. (2 + 3)2 – 42

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100