Steve Is Trying to Improve His Public-Speaking Skills

question 116

Multiple Choice

Steve is trying to improve his public-speaking skills. He is practicing by giving speeches on different topics to different groups of friends. He is using _____ practice.

• A) massed
• B) spaced
• C) constant
• D) variable

---

Definitions:

Hypotonic Solution

A solution that has a lower concentration of solutes relative to another solution, causing cells to swell as water moves inside them.

Hypertonic Solution

A solution that has a higher solute concentration compared to another solution, which can lead to the movement of water out of a cell.

Isotonic Solution

A solution that has the same osmotic pressure as another solution, typically body fluids, leading to no net movement of water across cell membranes.

Apoptosis

The process of programmed cell death that occurs in multicellular organisms, helping to remove cells that are no longer needed or damaged beyond repair.