3. cell wall
The cell wall is a rigid supporting structure.
Answer:
number 4 41 clay sediment 22 air 9 humus 28 water
Saturn and Jupiter have attracted as much similar gas as they could, to form two biggest gas giants in our solar system. But they have done things in different ways and caused differences. The first difference is the planets' densities. Saturn is significantly less dense than Jupiter
<span>Plant cells contain organelles called chloroplasts that form the epicentre of the photosynthetic process. These organelles contain a pigment called chlorophyll that aid in this process. Plants use this process to convert energy absorbed from light to chemical energy which can be used for growth and a variety of other cellular processes. Animals on the other hand, do not have cells containing chloroplasts. They have organelles called mitochondria that produce energy.<span>
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