A Strong Lens

question 20

Multiple Choice

A strong lens

• A)has a relatively long focal length.
• B)has a relatively short focal length.
• C)has a relatively small angle of refraction.

---

Definitions:

Anemia

A medical condition characterized by a deficiency in the number or quality of red blood cells, which can lead to fatigue and other symptoms due to a lack of oxygen transport in the body.

Basal Metabolic Rate

The amount of energy expended while at rest in a neutrally temperate environment, necessary to maintain the function of the body's vital organs.

Resting Energy Expenditure

The amount of energy, measured in calories, that a person's body needs to maintain basic physiological functions while at rest.

Nutrient Density

A measure of the amount of nutrients a food contains in relation to the number of calories.