Which of these statements describes one way that a nonrenewable energy
resource is obtained?
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A. Wave action moves underwater turbines.
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B. Crude oil gushes upward in an oil rig.
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CarWind turbines are placed on a coastline.
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D. Falling water moves turbines in a dam.

B. Crude oil gushes upward in an oil rig.

Explanation:

The resources are divided into two groups in general, one being the renewable resources, and the other being the nonrenewable resources. The division is in accordance to the manner in which they form and are they replenished naturally quick enough in accordance to their usage.

The renewable resources are the ones that replenish themselves constantly, so they are always at disposal, while the nonrenewable are the ones that are used much faster than their rate of replenishing. A prime example of nonrenewable resource is the crude oil, which is in huge demand and is used extensively, but it needs to millions of years to replenish itself. Other resources that fall into this category are the natural gas and the coal.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

did you fail the test? xd