In the 1970s,the U

question 5

Multiple Choice

In the 1970s,the U.S.relied on Command-and-Control models of pollution regulation.

• A) True
• B) False
• C) Uncertain

---

Definitions:

Oil-immersion Objective

A microscope lens designed to be used with a drop of oil to increase magnification and resolution of microscopic images.

High Magnification

Refers to the ability of an optical system, such as a microscope, to make small objects appear significantly larger, allowing for detailed observation.

Air Space

The portion of the respiratory system where gas exchange occurs; can also refer to the cavity within the alveoli in the lungs.

Focus Controls

Features or devices on imaging equipment, such as cameras or microscopes, allowing the operator to adjust the clarity and sharpness of the image.