Fossils of ancient living things are best preserved in

Texturally mature sediment is usually well rounded and well-sorted because

1. Rounding of sediment increases with transport distance and time

2. Sorting gets better as larger chunks are left behind and smaller chunks are carried away

Which of the above is/are correct?

Metamorphic rocks are formed due to

1. Cementation of sedimentary rocks

2. Close proximity of sedimentary rocks with molten magma

3. Cooling and solidification of lava

Select the correct answer using the codes below.

Where hard and soft rocks exist parallel to each other, which of these drainage patterns is most likely to be created?

Consider the following:

1. Metamorphism

2. Convergent plate boundaries

3. Volcanic activity

Which of the following rocks is often associated with the above?