Ben made a model of Earth orbiting the Sun by tying a string to a tennis ball and spinning it around his head. The picture shows the model as viewed from above. Part A. Identify what each object - (1) the string, (2) the tennis ball, and (3) Ben - represents in the model.

Part B. Use the model to describe the role of gravity in the motion of Earth around the Sun. Be sure to include why each object is appropriate for its role within the model.

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

Ab c or d ? i’m not sure what the answer is

(04.01 lc) which of the following is true about science? (5 points) select one: a. it is not influenced by social conditions. b. it is not determined by external local factors. c. political conditions are unable to influence it. d. economic concerns may prevent it from solving problems.