Consider the following statements about moisture meters. Choose all those that are correct. Group of answer choices Moisture meters used in trade in Iowa must be inspected and certified by the State of Iowa. Moisture meters used for trade in Iowa must give a reading on a sample within 0.5 percentage points of that given by an inspector's meter. Table-top moisture meters use a direct method of determining moisture content. Hand-held moisture meters use an indirect method of determining moisture content. Moisture meters used for trade must meet the specifications and tolerances establish by the US Department of Agriculture and the National Bureau of Standards Handbook 44. Moisture meters are more precise in determining moisture than the air-oven method