In the Lawson number what do the n and stand for? a. ion ...

[tatyanajohnson]

In the Lawson number what do the n and stand for?
 a. ion density, critical ignition temperature
  b. ion density, confinement time
  c. neutrino density, confinement time
  d. ion density, critical ignition temperature
  e. neutrino density, reaction mean life

Question 2

The number of hours of daylight at any place on Earth depends on
 a. the latitude only.
  b. the day of the year only.
  c. both the latitude and the day of the year.
  d. none of these.

[ynlevi]

Answer to Question 1

b

Answer to Question 2

c