Which of the following is an example of nuclear fission? O A. A large radioactive atom breaks into smaller atoms, producing
nuclear energy.
O B. Two different isotopes of hydrogen form an isotope of helium on
the sun.
O C. A gamma emitter is used to trace movement of chemicals in the
environment.
D. A radioactive drug that emits electrons is used to treat cancer in a
patient.

For cyclohexane compounds drawn in a chair conformation:   -axial bonds are vertical  -equatorial bonds are parallel to two bonds within the ring.  thus, as i assume the chair conformation is drawn:   -the x group is in an axial position, as are the five other vertical bonds.  -three axial bonds are on the top face of the ring  -the other three axial bonds are on the bottom face  the position of the second substituent on each ring carbon is equatorial.  gauche groups must be on an adjacent carbon such as carbon 6 and carbon 2, and also gauche groups are rotated by 60 degrees relative to each other.  drawing the newman projections for c1–c2 and c1–c6 aids in visualizing the groups that are gauche to the y group on c1.  click this link and watch some academic videos that may you more understand the topic 

The dispersed phase is liquid and dispersed medium in milk is liquid

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