Which would be least helpful in reducing indoor pollution? O A. Increasing airflow
B. Using all-natural cleaning products
C. Having house plants
O D. Having thick carpet

12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?

Hno2 + caco3 = h2co3 + ca(no2) can someone balance this