Direct action is necessary to bring about change.

ACTH stimulates the production of cortisol in the adrenal cortex.

Actin is a pure protein that plays a crucial role in muscle development.

The actinic rays from the sun can cause skin damage.

The actinide series consists of elements with atomic numbers ranging from 89 to 103.

Actinium is a radioactive element.

Action painting is a form of abstract art where paint is splashed, dripped, or poured onto the canvas.

All crew members, action stations!

The evidence presented in the case was actionable, leading to a successful prosecution.

Activated carbon is commonly used for decolorization, detoxification, and odor control.