Answer:
A. They travel through solids.
B. They travel through liquids.
E. They are also called primary waves.
Answer:
1. Wind bounces and rolls sand along the ground, a process called saltation.
2. Sediment carried by the wind will drop to the ground when the wind's velocity decreases.
3. The force of the wind pushes particles up the windward slope of the dune as it moves.
4. The force of gravity allows particles to slide down the leeward slope of a dune as it moves.
Explanation:
Saltation is the process which involves the movement of the particles by the force of wind or water. The wind or the water removes the particles and carry them forward. Materials like pebbles and stones get carried away by the flow of water. The large particles get settled in the river bed.
Answer:
Numerical time is absolute while relative is compared.
Explanation:
Numerical time is essentially the age of an object. Numerical time is also called absolute time because the age is given as a number that expresses (usually) how many years old it is.
Relative time, rather than give an age, places a rock or rock layer in a category based on how it fits into Earth's evolutionary history as a planet and the fossil record.
Answer:
regional and contact metamorphism
Explanation:
most metamorphic rocks are the result of regional metamorphism also called dynamothermal metamorphism. These rocks were typically exposed to tectonic forces and associated high pressures and temperatures
