The right choice would be A
<h2>Answer with Explanation </h2>
If threads are layered from top to bottom brown green red. Green layer will come into focus first if you are using the microscope properly. Green colour has wavelength of 500-565 nm and frequency of 530-606 THz approximately. Due its properties it will come into focus first if you are using the microscope. If anything is covered by brown, red and green, it will appear only green color first by microscope due to its specific characteristics. The visibility of colors depend on the properties which it has.
Krebs cycle releases energy in the form of FADH_2 and NaDH
- Krebs cycle also known as Citric acid cycle
- As it was invented by Sir Hans Krebs So its known as Krebs cycle .
the nurse, knowing the likely upbringing of this age group, would recommend frequent hand washing, wiping counters with bleach/h20, especially b4 and after food prep.