Based on what you learned from the Reproduction and Energy article, why do you think this happens? You can review the article again (located in your Digital Resources) to be more sure about your response.

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion