Answer:
B
Explanation:
A pit is a tiny depression which is found on the surface of the tooth.
Fissures are the grooves that occur naturally on the biting surfaces of teeth.
Thus, pits and fissures are located on the lingual surfaces of the maximillary first molars because of the lingual fissures on the max molars.
Answer:
The correct answer would be - functions.
Explanation:
The structure of the skin cells and muscle cells are different and have a different number of cell organelles on their role in the body. Skin cells are a special type of cells that keep on shedding and replaced by new ones therefore they need less energy and have many mitochondria.
In contrast, muscle cells have different structures as they need a high amount of energy to make movements and therefore have lots of mitochondria in the cell.
Plants , biotic is living
Answer:
Mainly the root nodules serve as a home for nitrogen fixation
Explanation: