Which of the following best describes a benefit of one type of nonrenewable energy? a.) Petroleum can be found nearly anywhere and is easily extracted.
b.) Natural gas does not produce greenhouse gases as other energy sources do.
c.) Coal is relatively inexpensive compared to other forms of energy.
d.) Nuclear power does not produce any form of pollution.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

bru what tyep of qus is dis

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.

1) a

2)c

3)a

4)c

5)b

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