You are asked to balance the chemical equation H2 + O2 ® H2O. How many of the following ways are correct ways to balance this equation?
I. 2H2 + O2 ® 2H2O
II. H2 + O2 ® H2O
III. 4H2 + 2O2 ® 4H2O
IV. H2 + O2 ® H2O2

Which of the following best describes the formation of plasma?

How does a large body of water, such as the ocean, influence climate?

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes