|
The nuclear fuel in the sun is |
|
|||
|
(a) |
helium |
(b) |
hydrogen |
|
|
(c) |
uranium |
(d) |
alpha particles |
|
|
The nuclear fuel in the sun is |
|
|||
|
(a) |
helium |
(b) |
hydrogen |
|
|
(c) |
uranium |
(d) |
alpha particles |
|