NO LINKS The discovery of four different blood types increased the success of blood transfusions, making
possible.

O A. new medicines
O B. organ transplants
O C. dissection
OD. blood testing

i dont know it at allnow im just getting points at this pint

the titanic would be the correct answer

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.

the answer you are looking for is the united states forest service.

hope this !