What type of blood is carried by the four major blood vessels entering/leaving the heart?

Which flexible structure that supports the nerve cord and led to the backbone

Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents.earth's tilt causes the ocean to move because of gravity.earth's tilt and its rotation cause currents.earth's tilt causes uneven distribution of salt which causes currents.