Examine the chemical reaction. What coefficient of O2 should be added so the number of atoms of oxygen is conserved on both sides of the reaction equation? 3 5 7 10

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules