Which of the following is a potential disadvantage of using wind energy? (2 answers) A)It has potential to kill fish caught in the turbines
B)The source of energy can sometimes be inconsistent
C)It alters migratory bird routes
D)It is influenced by the amount of cloud cover
E)It releases high amounts of carbon dioxide when used

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Amixture with the same composition throughout is!