Which of the following materials is the best choice for an insulating material?

a; silver metal
b; steel bars
c; rubber

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?

Compare and contrast the bohr model and the electron cloud models of the atom.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?