Where are the main sources of fresh water found on Earth? Choose the two correct answers. A.
glaciers

B.
lakes

C.
oceans

D.
polar ice caps

E.
rivers

State the formula for density in words and mathematical symbols

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Identify the electromagnets with poles that are reversed from the electromagnet shown above