Its B. 13- i just took the test and i got it right.
Human blood is composed of two essential elements: the liquid consisting of water, organic matter and minerals in the solid soluble and consists of cellular elements (red cells, white cells and platelets). In case the blood harvested from the patient's vein is placed in a test tube coagulates after a few minutes. Then it is separated into a liquid layer, the upper, which is called serum and a lower layer, which is solid clot. If the tube that was harvested blood of a substance anticoagulant (which prevents clotting) when blood no longer coagulates, but separates everything into two layers: the upper layer liquid consisting of plasma and lower layer, solid, constituted coagulated celuare the elements.
From these two components serum and blood plasma will perform biochemical and serological main medical tests. Of blood cellular components is achieved hematology. Hematology investigating the number, shape, and composition characteristics of cellular elements of the blood.
Answer:
A. Class size can help us predict school achievement
Explanation:
Answer:
Yes.
Explanation:
Yes, its field is more prone to soil erosion because the steep is sloppy and when the water comes to lower, it brought soil particles with them. So reduce erosion on these sloppy lands, contour type of farming should be used in order to avoid soil erosion. Terraces should be build on these steep slopes in order to reduce the speed of flowing water and prevent erosion.
the correct answer to this question is b)get in the habit of eating high nutrients and engage it regular physical activity
i am so sure of my answer