Which of the following explains why planets in our solar system are revolving around the sun? a. the gravitational pull of the sun keeps the planets in their orbits. b. the high pressure inside the sun attracts all planets towards the sun. c. the nebular mass originally exploded to throw planets around the sun. d. the high amount of energy released from the sun the planets revolve.

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

What is the oxidation state of each individual carbon atom in c2o42−?