Sort each description according to whether it refers to nonvascular or vascular plants.
can be almost any size
Nonvascular Plants
Vascular Plants
rely on diffusion
have specialized tissues
usually small in size
lack true roots and stems
divided into three groups

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the answer to your question is tooth decay.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.