Living colonies of Clostridium botulinum produce a deadly toxin, which is lethal at about one-millionth of a gram. This is characterized by

It should be cryosphere and hydrosphere

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.