Answer: The hamstrings are one of the muscles that flexes the knee joints
Explanation:
Answer:
fleas carried the disease and there were fleas on rats and the rats hid in ships going across the oceans and then ran out when the ships arrived to their destined place. the fleas then traveled to household pets such as cats and dogs and because those pets came in contact with humans thats how humans caught it.
Explanation:
Metamorphic, igneous, and sedimentary.
