13.9
Explanation: add the amount he doesn’t in gift A (10.7) and the amount he spent on part B (5.4) and you get 16.1. The. Subtract 16.1 from 30 and you get 13.9
Refraction is the change in the direction of the wave passing from one medium to another.
The change in the direction of the propagation of any wave is due to the different speed at different points.
A far away object appears closer and a small object appears larger.
Take an example. Suppose, an object lies in water.
A far away object appears closer. The angle from which the rays of light reach the observer is larger than the angle that it makes in air.
This makes the angular size larger to the observer's eye which makes the object look larger relative what it looks in air. Similar but vice versa condition occurs in the case when a small object appears larger.
Answer:
The Upper Paleolithic period witnessed the beginning of fine art, featuring drawing, modelling, sculpture, and painting, as well as jewellery, personal adornments and early forms of music and dance. The three main art forms were cave painting, rock engraving and miniature figurative carvings.
Explanation:
Not 100% sure of this was what you were asking or not.
Answer:
iconography
Explanation:
The use or study of these symbols is called: iconography. In "The Treason of Images," the artist combines awareness, creativity, and communication by encouraging the viewer to look closely at an object.