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).
Answer:
1 - a
2 - d
3 - c
4 - b
5 - e
Explanation:
1. largest Northeastern state - new york
2. smallest Northeastern state - Rhode island
3. most densely populated state - Maine
4 .state with highest percentage of land being farmed - Connecticut
5. state using ten percent of land for farming - Massachusetts
following are the key of the matching
1 - a
2 - d
3 - c
4 - b
5 - e
Advanced cities are center for trade with a large population and an organized government a long-lasting pattern of organization in a community such as economy, religion, government, education
question answered by
(jacemorris04)
