<h2>Answer</h2><h2>A. helical</h2><h2>
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Explanation:</h2>
The correct option is B.
The scientific method refers to the technique which scientists used to carry out scientific investigations about observed phenomenon. The scientific method is made up of many steps and the steps are described as non linear because, scientists sometimes have to repeat some of the steps several time in order to ensure that they are on the right track. Repetition is very important in scientific investigations; it is used to ensure that the results obtained are accurate and bias is minimized.
Your answer would be Electrons. Positive protons and negative Electrons need eachother to balance out.
The term ‘Crossing over’ was used by Morgan and Cattell. It is a process in which there is exchange of chromosome segments between non-sister chromatids of a homologous chromosomes. It occurs during pachytene stage of prophase I of meiosis cell division.
Significance of crossing over:
- Crossing over provides genetic variation in all sexually reproducing organisms.
- It creates new combination of genes or genetic recombination and produces hybrids.
Answer:
b.severity of flooding
Explanation:
Why?because if it had a big river it can cause a flooding.