Answer:
Ralph is looking at a vein (likely a muscular vein).
Explanation:
Of all three great types of vessel present in vertebrates (arterial, venous, lymphatic), only veins and lymphatic vessels may normally contain valves. This is an essential feature of vessels which present low pressure flow, since it ensures that such flow is unidirectional.
Since blood cells are not typically found in lymphatic vessels, the vessel in question can be assumed to be a vein.
Answer:
B)
Explanation:
I think it is B, I learned this a long time ago correct me if I'm wrong. :(
Probably food and shelter... I don't know the rat species so I don't know this would be much help
A benefit of using nuclear energy could be the abundance of uranium in nature. The human risk about mining that is the most important to consider are the health hazards that are associated with uranium mining.
Answer:
[S] = 0.02 , Km = 1.2 x10^ -4 , rate = dP/dT = product formed per time = 2.7 x 10^ -6 moles /30 = 9 x10^ -8 we know rate = vmas
Explanation: