Question
What is nosema disease?
What is nosema disease?
Nosema apis is a microsporidian, a small, unicellular parasite recently reclassified as a fungus that mainly affects honey bees. It causes nosemosis, also called nosema, which is the most common and widespread of adult honey bee diseases.
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| Ion | Valency(Charges) | Ion | Valency(Charge) |
| Sodium ion | 1+ | Nitrate ion | 1- |
| Copper ion | 2+ | Sulphide ion | 2- |
A boy throws a rubber ball vertically upwards. What type of work, positive or negative, is done:
Flash and thunder are produced simultaneously. But thunder is heard a few seconds after the flash is seen, why?