In which phylum is the organism thought to be the world’s oldest living tree?

The organism thought to be the world's oldest tree is in the phylum Coniferophyta. The bristlecone pine (Pinuslongaeva), which is found in the White Mountains of California, includes some of the oldest living organisms, which reach ages of more than 4,600 years.

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Explanation:

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.