Which of the Following Best Explains Why Angular, Crack-Bounded, Granitic

question 125

Multiple Choice

Which of the following best explains why angular, crack-bounded, granitic blocks weather to spheroidal boulders?

• A)Weathering agents have more direct access to edges and corners than to other parts of the block.
• B)Interiors of blocks are constantly damp or wet because sunlight cannot penetrate.
• C)Crack surfaces of blocks heat and cool more rapidly than edges and corners.
• D)They slowly roll over in place and wear off the corners first.

---

Definitions:

Risk-Free Rate

The expected profit from an investment that carries no risk of losing money, frequently depicted through the interest rate of government bonds.

Market Portfolio

A theoretical bundle of all possible investments in the market, combined in such a way as to maximize the expected return for a given level of risk.

Beta

A measure of a security's volatility in relation to the overall market.

P/E Ratio

The price-to-earnings ratio is a valuation measure comparing the current share price of a company to its per-share earnings.