The correct answer is - erosion.
The sites of the major monuments over time show signs of erosion. As all these sites are made out of natural materials they are not prone to the effects of the erosion. Little by little, over time, they have small parts of them removed with this natural process, thus changing their initial forma and shape, but also threatening to totally destroy them. The erosion has increased in the past century because of the acid rains as they have very high corrosive power.
Because of this, lot of sites of major monuments have been restored, new layers are added, for both making them look as they initially did, and for bigger protection of the natural elements.
Answer: It reflects blue light and absorbs all the other colors.
Explanation:
Maddi is wearing a blue colored shirt, she is able to see the shirt blue because only blue color is reflected by the shirt and is seen by the eyes of the observer and rest all the colors are absorbed.
The molecules of the dye of blue color in the shirt absorbed the wavelength of blue color from the spectrum. Rest of the colors are absorbed by the dye.
This is the reason why we can see different objects of different color. The respective objects reflects the different wavelength from the spectrum giving it red, blue, green, violet, yellow, orange color.
Hence, the correct answer is option B
Psychoactive drugs capable of altering perception, mood, cognition, or behavior include "stimulants and depressants. opiates and psychedelics. <span>stimulants and psychedelics."
Stimulants refers to the drugs that accelerate action in the central nervous system, psychadelic drugs cognizance modifying drugs that deliver fantasies, change perspectives, or disturb the typical view of time and space. Depressants are the drugs that back off movement in the CNS and opiates are the drugs got from the opium poppy, that calm torment and generally create elation.</span>
It reflects the author’s view that children and teenagers play violent video games for far too many hours.
Letter D is the correct answer.
Today's undergraduates are more coddled and protected by their parents. Researches have shown that safetyism has been destroying a generation and setting them up for failure when limiting them from developing the resilience that is needed to fight stress and anxiety. They haven't fully understood that life is full of challenges that require from them resilience, flexibility, determination and adaptation to change.
