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Answer:
The conifer phylum also contains the <u><em>Gnetophyta (Gymnosperms)</em></u>, an order that includes the genera Gnetum, Ephedra, and Welwitschia.
Explanation:
That group includes 70 species across the three genera mentioned above, the difference between the Gnetophytas and other Gymnosperms plants is the presence of vessels, similar to the ones in the flowering plants.
Answer:
Organic molecules produced from spontaneous synthesis or from meteorites
Explanation:
A, because it the constant variable
<em>Answer: From 1990 to 2019, the total warming effect from greenhouse gases added by humans to the Earth's atmosphere increased by 45 percent. The warming effect associated with carbon dioxide alone increased by 36 percent.</em>