The diagram illustrates photosynthesis. Which best describes what is happening in the area marked Y? Oxygen is released into the atmosphere through stomata. Carbon dioxide is released into the atmosphere through stomata. Oxygen is released into the atmosphere through xylem. Carbon dioxide is released into the atmosphere through xylem.

the backbone of the dna and rna compound is sugar phosphate.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

answertheory;