Activity observe any wetland located in or around you surroundings. prepare a report of your observation. include in the report the wetland as well.
pi help me
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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.

answer: b

coz red blood cells marrow and circulates the body for 120 days.

not always but somethings can be reproduced in a laboratory.