If on December 1st there is a new moon, when will the next new moon be approximately? December 14th

December 5th

January 5th

December 29th

Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg