How does the artist use values in a painting or drawing to indicate the amount of light objects receive  someone

Identify the 19th-20th century art movement that embraced the machine and industrial elements and stemmed from art movement such as cubism. 1. arts and crafts 2. art nouveau 3.art deco (correct answer) 4. neoclassical

Explain briefly why it's to choose a chord progression before developing the harmony.

3christians adapted the roman basilica and used it for public worship. where in their churches did they place the altar?