There is an increased number of near a fracture site, which leads to growth of new connective tissue called a
osteoblasts; hematoma
osteoclasts; hematoma
osteoblasts; callus
osteoclasts; callus

The correct answer is option osteoblasts; callus.

After the fracture, the body starts the healing the bone. In the process of healing of the bone, the osteoblasts are increased at the site of the fracture and starts the formation of the new bone cells. this result in formation of a structure called callus. the callus is formed around the broken bone; this helps in joining the end of the bones.

i think that c)gold was found there

but i am not sure

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.