D to Db is a half step. Look at the keys B and C on the keyboard, there is no key in between them which means it is a half step. A whole step is two keys up (either black or white) therefore, D to Db would be a half step.
a change in the DNA sequence
All shapes can be classified into tow types, name and define them.
Geometric and free form shapes.
Geometric shapes are precise shapes that can be described using mathematical formulas.
Free form shapes irregular and uneven.<span />
Answer:
- Constructing a dome within another dome
Explanation:
The dome that covers the Florence cathedral (the church of Santa Maria del Fiore) is known as Filippo Brunelleschi’s dome.
When it was designed, it was the largest dome in the world.
This immediately created problems as its size prevented the traditional method of construction. Its structure is a double shell supported by sturdy pillars.