Cells are the basic unit of life and they are the 1st level of organization. The heart is the 3rd level. They are separated by 1 level, tissues.
Bog soils are type of soils which are <span>poorly drained type that are found on top of peat ( topmost coal) and under a swamp environment. Although, these types are watery in nature, there is still a high percentage of organic matter in them like ordinary soils. Hence the answer is B. organic matter</span>
Answer:
Pic 1: Less water is lost by transpiration
Pic 2: Large surface area to volume ratio so that the maximum amount of sunlight can be absorbed for the leaf to photosynthesise.
Pic 3: Tiny 'hair' that traps water vapour.
In a wheel and axle, force may be applied either to the wheel or to the axle. This force is called the input force. A wheel and axle does not change the direction of the input force.
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