Which of the following parts of the circulatory system carries oxygenated blood?
a an artery moving blood from the heart to the lungs
b. a vein moving blood to the heart from the body c. an artery moving blood from the heart to a muscle cell
d. a venule moving blood to the heart from the liver
i think is b.

List two limitations of natural selection

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates