Nphotosynthesis, the oxygen atoms from carbon dioxide end up . in sugar molecules and in waterb. in sugar molecules and carbon dioxidec. as molecular oxygen and waterd. as molecular oxygen and in sugar molecules

Explanation:

a i just did it

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.