The Most Common Volcanic Rock Found in Lava Flows on Composite

question 144

Multiple Choice

The most common volcanic rock found in lava flows on composite volcanoes is:

• A) andesite
• B) basalt
• C) obsidian

---

Definitions:

Required Return

The minimum profit or yield that investors expect or require from an investment to make it worthwhile.

Net Present Value

An economic measure that determines the disparity between the current value of cash coming in and the current value of cash going out over a specific timeframe.

Internal Rate Of Return

The break-even discount rate at which a project's cash flows net present value is zero.

Present Value

Present value represents the contemporary worth of a future sum or cash flow sequence, discounted by a certain return rate.