Artificial Radioactivity

Q. ${}_6{C}^{14}$ is formed from ${}_7{N}^{14}$ in the upper atmosphere by the action of the fundamental particle

1. Positron
2. Neutron
3. Electron
4. Proton

Q. Which ones of the following statements are true for given reaction?
${}_4{}^{9}Be{+}_1{}^{3}H{\to }_5{}^{11}B{+}_0{}^{1}n$

1. It is a fusion reaction
2. It is natural radioactive decay
3. Total neutron number is conserved
4. Total proton count is conserved