Tritium, a radioactive isotope of hydrogen, emits which of the following particles?

1. Gamma $\left(\gamma \right)$

2. Neutron (n)

3. Beta $\left({\beta }^{-}\right)$

4. Alpha $\left(\alpha \right)$

Some statements about water are given below:
 

Which of the above statements are correct?

1. (a), (b), and (c)

2. (b) and (c)

3. (a) and (c)

4. (a) and (b)