Auroras Are Caused by __________

question 34

Multiple Choice

Auroras are caused by __________.

• A)the solar wind
• B)electromagnetic radiation from the Sun
• C)high temperatures in the thermosphere
• D)gas properties of the ionosphere

---

Definitions:

Withdrawal Symptoms

Physical or psychological effects experienced when reducing or discontinuing a substance that the body has become dependent on.

Vitamins

Organic compounds that are essential for normal growth and nutrition, required in small quantities in the diet because they cannot be synthesized by the body.

Prenatal Nutrition

The dietary and nutritional considerations and requirements during pregnancy, critical for the health and development of the fetus.

Embryo

An embryo is an early stage of development in multicellular organisms, in humans, it refers to the phase of prenatal development between conception and the fetal stage.