You check the barometric pressure and find that it is reading only 920 millibars. two possible effects could be responsible for this lower-than average reading. what are they?

If you check the barometric pressure and find that [sic] it is reading only 920 millibars ... two effects possibly responsible for this lower than average reading are 1) elevation (~2500' MSL) or 2) a LOW pressure weather system such as a mid-latitude or tropical cyclone. Also A storm is approaching or barometer is read over a mountain

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.