Answer:
On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the oldest unit in the center, the underlying structure is a syncline.
The law of superposition is a statement that says rocks on the bottom are always older than the top and the top is always younger than the one on the bottom... It is used to tell which rock layer or fossils are older/younger..
Hope that helps..Im not very good at explaining things..
The meaning of star system is group of hundreds of stars , that form around the same time .
So, first of all let me explain the process of hydration to you.
The water causes the hardening of concrete through a process called hydration. Hydration is a chemical reaction in which the major compounds in cement form chemical bonds with water molecules and become hydrates or hydration products.
Considering this information, the answer is D.
Answer:
Options (1), (3), (4), and (5)
Explanation:
The mass movement is often referred to as the downslope movement of materials such as rock particles, soil and sand under the influence of gravity. The factors that are responsible for the mass movement are gravity, steepening of the slope, lack of vegetation cover, oversaturation of soil or materials. They can also occur during an earthquake as the ground shakes. These mass wasting is also considered as the mass wasting process.
This mass wasting process occurs in the following ways-
(1) Falls
(2) Slides
(3) Creeps
(4) Flows
Thus, the correct answers are options (1), (3), (4), and (5).
