I'm tall when I'm young, and I'm short when I'm old. What am I?

A candle.

Explanation:

When a candle is new, it is tall. When it is old, it has been melted by the flame many times, so it is shorter.

the harlem renaissance was an african-american cultural movement that flourished throughout the 1920s and into the 1930s. called the 'new negro movement' during its time, harlem renaissance artists, writers and musicians developed new ways to express african-american pride.

a thesis statement is an introductory unit or a unifying element for a paper.

i know because i have this exact same question with the exact same answers and i asked my teacher.