Answer:
1. As the cell size increases, the ratio of surface area to volume DECREASES
2. It depends on the unit of the ratio 6:1. If it is in cm−1, then it means that it is similar to a cell of size 1 cm^3, which is normally too big to get materials from the surface
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3. A Small cell has a large surface area/volume ratio and therefore can exchange molecules with it's external environment rapidly. So, Here cell with ratio 6:1 is smaller and have ability to better transportation across it's membrane as compared to other cell with ratio 3:1
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Answer:
Warm air rises, creating a low pressure zone; cool air sinks, creating a high pressure zone.
B.
Humans are also part of ecosystems and if they cease to exist, human well being will be affected.
Answer:
An atom is the smallest component of an element that still has the properties of that element.
Atoms are made of three particles. protons, neutrons, and electrons.
Explanation:
