石油和天然气是不可再生资源,non-renewable resources 不可再生资源;renewable resources 可再生资源;both renewable and non-renewable resources 既是可再生资源又是不可再生资源;neither renewable nor non-renewable resources 既不是可再生资源也不是不可再生资源。故选 non-renewable resources。
【答案】：不可再生资源是指那些供给量基本固定或短期内不可再生的资源。不可再生资源的一个明显的例子是矿物燃料相对于人类文明来说它们的数量可以视为固定的。另外还有非燃料矿物资源例如铜、银、金、石头以及沙粒。 可再生资源是其效用能够有规律地进行补充而且只要开采和使用得当它们就能产生无穷无尽的...
Renewable Resources A renewable resource is a resource which can be used repeatedly because it is replaced naturally. Examples: Oxygen Fresh water Solar energy Trees/plants/crops Nonrenewable Resources Nonrenewable resources cannot be replaced by natural means in an average human lifetime. Examples: O...
【题目】Renewable vs Non-Renewable Resources Energy resources are all around us They are things that people use. They come from nature. We need them to survive These resources fall into two categories: non-renewable and renewable.Confused? Let's take a closer look. Non-renewable energy ...
只有这renewable，non-renewable这两种。资源按照再生性质只有可再生资源和不可再生资源这两种。可再生资源，指可以重新利用的资源或者在短时期内可以再生，或是可以循环使用的自然资源。主要包括生物资源（可再生）、土地资源、水能、气候资源等。不可更新资源指经人类开发利用后，在相当长的时期内不可能再生...
Renewable resources are those that cannot be depleted. They are always available and thus could be reused. What is a Non-renewable Resource? Natural resources that are limited in quantity are referred to as non-renewable resources. These resources cannot be supplied or regenerated in a short du...
renewable 能源:可以被持续循环使用的能量资源(Renewableorinfiniteenergy resources are sources of power that quickly replenish themselves and can be used again and again.) non-renewable 能源:不可以被持续循环使用的能量资源(“they will run out one ...
1. Renewable resources. ADVERTISEMENTS: 2. Non-renewable resources. 1. Renewable resources: These resources are present in unlimited quantity in the nature and having the capacity to get replaced by quick recycling through natural cycles. Oxygen, in air is renewable resource because it is replaced...
Renewable vs Non-Renewable Resources Energy resources are all around us. They are things that people use. They come from nature. We need them to survive. These resources fall into two categories: non-renewable and renewable. Confused? Let’s take a closer look Non-renewable energy resources ...
The known stock of a non-renewable resource is fixed in the short term, but can increase in the long term as technology makes more of the resource accessible. The price of a non-renewable resource is the present value of its expected next-period price. The supply curve for a non-...