1) joints differ from faults primarily
with respect to the types of deformation that form them
with respect to strength of the rocks
whether displacement has occurred
the amount of weathering to which they are prone
2) the law of cross-cutting relationships pertains to the age relationships in a sequence of sedimentary layers.
true
false
3) neutrons add charge, but not mass, to an atom.
true
false

1- Option (C)

2- TRUE

3- FALSE

Explanation:

Joints are the type of fracture that splits the rock into two parts thereby the blocks move away from one another. They are formed due to the tensional force. Whereas, the fault, in simple terms is defined as the cracks or fractures present in the crust of the earth. They are formed by both tensional as well as compressional forces. They differ from one another in terms of displacement. In a fault, the relative displacement between the blocks is more than in the case of joints.

According to the law of cross-cutting relationships, geological features such as faults, igneous intrusions, that cuts across the sedimentary layers on earth are younger than those sedimentary rocks.

A neutron is a neutral particle as it does not carry any kind of electric charge. So, the addition or elimination of neutron from the nucleus does not affect the electric charge of the nucleus. But it can cause changes in the mass within the nucleus. Isotopes originate due to the addition or removal of neutrons from a nucleus.

Hence, the correct answers are given above.

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