The answer is B. 1870 as it was made in 1869
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PCR is a useful technique because it is used to amplify small segments of DNA.
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Answer:
A nickel would have a mass closest to an atom
Explanation:
A nickels mass is 58.6934 which is the same atomic mass as atom
The nervous system coordinates it's actions by sending signals throughout the body
Answer:
1) Option c
2) Option d
3) Bioprospecting
Explanation:
1) Oil will float and obstruct sunlight which is essential for plant growth in sea too.In turn this affects the whole food chain of aquatic animals.
2)The fisherman are disturbing the food chain by the unintended catch and can design their nets to catch flounders only.