Oil, natural gas, and coal are considered to be nonrenewable resources. Why are these fuels considered to be nonrenewable?

2 answers:

6 0

These fuels are nonrenewable because they are limited substances which cannot be produced at the same rate at which it is used. Also, they cannot be REused, hence the wording non-REnewable. Hope this answers your question.

Black_prince [1.1K]2 years ago

6 0

They are fossil fuels. Fossil fuels take millions of years to produce since they are the remains of decayed organisms that have decomposed under extreme pressures and temperatures to become a part of the earth's crust. Since we burn fossil fuels (ie gas, oil, coal) and they are used up quickly we use more than we produce therefore eventually if we carry on at the same rate we will run out of this resource. Therefore they are non-renewable.

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Scientists have recently discovered a community of bacteria and clams living under an ice shelf in Antarctica. These organisms l

Shkiper50 [21]

Answer:

Option 3, of the abiotic factors found in their environment

Explanation:

The abiotic factors such as absence of sunlight and extremely cold temperature represents picture of an extreme habitat under an ice shelf in Antarctica.

The optimum temperature requirements of bacteria for its survival ranges from 10oC to 20oC. In case, if a bacteria lives in an environment where temperature is less than -5oC or higher than 50oC, then such habitats are considered to be “habitats with extremities” as special physiological mechanisms are required to maintain the homeostasis and survive.

Likewise absence of sunlight further adds to the extremities of the habitat.

Option 3, is correct

5 0

3 years ago

Calculate the net force in Newtons of the following situation.

babunello [35]

Answer:

D.->6N

Explanation:

This is because <-2 N + -> 8 N

= <-2 N + -> 2 N + -> 6 N

= 0 N + -> 6 N