The Sun's Apparent Speed Across the Sky

question 214

Multiple Choice

The Sun's apparent speed across the sky:

• A) remains constant throughout the year.
• B) changes slightly throughout the year, but only because of Earth's tilt on its axis.
• C) changes slightly throughout the year, but only because Earth's orbit is not perfectly round.
• D) changes slightly throughout the year, both because of Earth's tilt and because Earth's orbit is not perfectly round.

---

Definitions:

Lymphatic System

A part of the immune system that includes lymph nodes, lymph vessels, and organs, responsible for transporting lymph and removing toxins from the body.

Immune Response

The body's defense mechanism against pathogens, involving both specific and non-specific components.

Mucous Membranes

The moist linings of various body cavities, including the nose, mouth, lungs, and digestive tract, that secrete mucus.

Indirect Contact

A method of disease transmission where an infectious agent is transferred from one individual to another through a secondary object or person.