Atransform boundary is formed when tectonic plates slide past each other. parts of these plates break or slip as they rub against each other. the plates push forward and cause earthquakes. the gaps between these plates are called faults. most of earth's faults can be found along transform boundaries in the ring of fire.
which answer choice is an accurate explanation of this paragraph?
a
earthquakes can only happen along the transform boundaries that are located inside of the ring of fire.
b
earth's faults are only found in the ring of fire because they are caused by earthquakes.
c
the movement of tectonic plates makes the ring of fire one of the busiest places for earthquakes.
d
the gaps between tectonic plates along transform boundaries close as the plates move past each other.

answer: the correct answer is 1.

explanation: there are various process in which a radioactive nuclei decays:

1) alpha decay: in this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. the mass number is reduced by 4 units.

2) electron capture: in this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. simply, a proton and an electron combines together to form a neutron. mass number does not change in this process.

3) gamma ray emission: it is a decay process in which an unstable nuclei gives excess energy by a spontaneous electromagnetic process. this decay releases . this process does not change the mass number.

4) positron emission: it is a type of decay process, in which a proton gets converted to neutron and an electron neutrino. this is also known as -decay. in this the mass number remains same.

from the above information, we see that only alpha-decay is producing a change in the mass number of the nucleus.

inverse v=i*r

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