Bibliography is essential in determining its content. I hope this helped
The solution to the above question using the formula f=1/T where. T=0.5seconds is f=1/0.5= 2 hertz
The answer is bacterial cell
Answer is B. The length of a day on mercury is much longer than Earth
Evidence for evolution is provided by homologous structures. These are structures shared by related organisms that were inherited from a common ancestor. Other evidence for evolution is provided by analogous structures.