Answer:
Option (4)
Explanation:
The radiation are defined as the energy that is liberated from atoms in the form of electromagnetic waves or minute particles of matter. For example, the radiations that are emitted from the sun in the form of light.
This radiations are mainly of 3 types. This includes-
(a) Alpha Radiation- These are the short ranged particles and are very heavy. This radiations cannot penetrate the human skins but they can cause harmful diseases.
(b) Beta Radiation- These are also the short-ranged particles but they lighter. This radiations can penetrate the human skin upto the depth where the new skins are created.
(c) Gamma Radiation- These are highly dangerous and are penetrable to the human skin. This type of radiations are often used for the medical purposes.
Thus, the correct answer is option (4).
There is lot of differences between the urban parts of Egypt and the rural parts of Egypt, anything form climate, economy, lifestyle, architecture, vegetation... The most significant difference, that is most commonly referred, is the economic difference. People in the urban areas (Cairo, Alexandria, Giza) have bigger incomes and much more opportunities for work and better wage. On the other hand, people from the rural areas are restricted to agriculture, they are totally dependent on it, and when there's economic disturbance they are always the ones the suffer the most.
Answer:
C) around the base of Kauai, the oldest of the Hawaiian islands
Explanation:
- As the Hawaiian island is located n the southeastern parts of the seen islands spreading from the center and that reaches of the pacific plate margins and lies about the 56,00 km further to the southeast.
- Thus there is a sedimentary layer that is thickest at the older base of the munt Kauai has a greater amount of the from of biodiversity and fossil records. That can be found above the seafloor in the oceanic crust.
Answer:
B.
Explanation:
Large faults within the Earth's crust result from the action of plate tectonic forces, with the largest forming the boundaries between the plates, such as subduction zones or transform faults. Energy release associated with rapid movement on active faults is the cause of most earthquakes.