these answers can be searched in Google
Subsoil is the layer of soil under the topsoil on the surface of the ground.
im missing something though
Answer: (A) and (D)
Options (A) and (D) represent beta decay.
Explanation:
It is very simple to find beta decay in a nuclear reaction. In beta decay , neutron breaks down into a proton and an electron. After that electron is emitted from the nucleus,while proton remains inside nucleus. The resulting daughter nuclei will have one more proton and one less neutron.
