Answer:
Fermentation
Explanation:
I think there is a typo in the question as it doesn't make sense to breakdown oxygen - do you mean the proces of breaking down sugar?
Fermentation vis a type of anaerobic respiration, meaning it occurs in the absence of oxygen. It occurs when sugar is broken down into ethanol and carbon dioxide. It is used to produce alcoholic drinks like beer and wine, and in the production of bread.
Answer:
C: Hormones
Explanation:
hormones do not "signal" other cells. I hope this helps :)
The landscape in which limestone is eroded to form deep valleys and cavers are called Karst landscape or karst topography. This kind of development start occuring whenever the acidic water starts breaking down the bedrocks near the cracks. As the bedrock starts breaking down slowly, the cracks start to open up creating bigger holes. with passage of time the holes will become big enough to create an underground drainage system for the surface water to flow and form underneath. If the water is unable to flow out and becomes stagnant, then the Karst will start getting bigger.
The photoreceptors would be your eyes, chemoreceptors skin, olfactory for nose and mechanoreceptors for obviously tongue hope this helps.
