How did “columnar joints” come into being?
A: The magma condensed into stone columns.
B: The pumice stones piles layer by layer.
C: The volcanoes look like columnar joints.
D: Creatures were gradually fossilized and they slowly turned into a thick limestone layer on the seabed
A: The magma condensed into stone columns.
B: The pumice stones piles layer by layer.
C: The volcanoes look like columnar joints.
D: Creatures were gradually fossilized and they slowly turned into a thick limestone layer on the seabed
举一反三
- What are the characteristics of the slab used to draw a sugar figurine?( ) A: A cool, rough marble stone with a layer of anti-oil at the top B: A cool, smooth marble stone with a layer of anti-oil at the top C: A warm, smooth marble stone with a layer of anti-oil at the top D: A cool, smooth marble stone with a layer of edible oil at the top
- The input layer is one of the hidden layer.
- The WDM transmission network consists of three layers: Physical Layer、Data Link Layer and Network Layer.
- There are three types of joints_______________________ A: fibrous joints. B: synovial joints C: cartilaginous joints D: flexible joints
- The most common of joints are corner blocks, doubled-doweljoints, dovetail joints, miter joints, and mortise and tenon joints.