Yeast can be both harmful and helpful, depending on the context. In baking and brewing, yeast is a crucial ingredient that helps to leaven bread and ferment beverages. However, certain types of yeast can also cause infections in humans, such as yeast infections. Overall, yeast is a diverse group of microorganisms with both beneficial and detrimental effects on various processes.
mould is a helpful one and bacteria is a harmful one
If you need help I recommend you type in the specific question you need help with
Bacteria would consider benefitial and harmful bcz many food component are you eating made by bacterial reactions like yeast... but most of spp. are harmful.
it can be helpful or harmful
is yeast dangerous or harmful
sometimes they are helpful and harmful.
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
This is not entirely true. It is shown that Yeast is not a form of Bacteria Yeast is in the Kingdom Fungi, therefore it is a type of fungus. Some helpful bacteria is yeast.
helpful
helpful
Depends on what part of "harmful" or "helpful" you are referring to.