Describe the energy transformation that are similar in the human body and in fossil-fuel electric energy plants

Which best describes how johannes kepler developed his laws of planetary motion

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

What type of matter is made of only one kind of atom