Answer:
5. D) Frequency is the number of wavelengths which is measured in hertz
6. A) speed = wavelength x frequency
Well, the cell membrane regulates what goes in and out of the cell, it all so helps to shape it along with the cell wall (animal cells do not have a cell wall.) So it’s like a guard for the cell.
Carbon Monoxide
Explanation:
I just took the test :)
God created Heavan and Earth