Which of the following best describes a galvanic cell? A. Abattery that requires energy to charge it
B. A battery containing an acid and a base
C. A battery containing a spontaneous redox reaction
D. A battery containing a nonspontaneous reaction

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

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?