Even though the phone is ringing, no sound comes out of the jar. what does that tell you about the space inside the jar?

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above

Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is double, what is the new force of attraction between the two objects?

Which of the following could represent a single-replacement reaction? a. element + compound = element + compound b. element + element = compound c. compound +compound = compound + compound d. compound = element + element