We group artworks with similar characteristics into periods or styles because it is easiest to do it that way - this way we can find common characteristics in these literary/artistic eras, and name them. For example, the Renaissance had a distinct style, which differs greatly from that of Romanticism.
Answer:
c. mid-adulthood
Explanation:
This stage of life when gray hairs become overwhelming in number and he has more gray hairs than brunette( brown hair) is called middle adulthood. Middle adulthood spans from 20 to 40 years of life which may be defined differently for different culture and country.
Robert is in his late mid adulthood somewhere near 40 at this age hair generally grow grey.
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
- Coordinates (x, y)
- Slope Formula:

Explanation:
<u>Step 1: Define</u>
Point (0, -7)
Point (7, 0)
<u>Step 2: Find slope </u><em><u>m</u></em>
Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>
- Substitute in points [Slope Formula]:

- [Fraction] Add/Subtract:

- [Fraction] Divide:

Answer:
Un nucleótido es el componente básico de los ácidos nucleicos. ... Un nucleótido consiste en una molécula de azúcar (ribosa en el ARN o desoxirribosa en el ADN) unida a un grupo fosfato y una base que contiene nitrógeno. Las bases utilizadas en el ADN son adenina (A), citosina (C), guanina (G) y timina (T).
Explanation:
Differences between<span> a </span>physical and chemical change<span> in matter or substances</span>