Two functions of tentacles found in hydra?

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.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully