The semicircles on the symbol for a warm front indicate a the air pressure b the temperaturec the direction of motion d the slope of the front

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters

9. the history of life on earth is recorded in

Nh3 +02-no + h20 is unbalanced what is the balanced equation