Why Are Oxygen and Water the Two Main Components Involved

question 8

Multiple Choice

Why are oxygen and water the two main components involved in chemical weathering?

• A) They are extremely rare.
• B) They are among the most abundant and easily bonding molecules on earth.
• C) They are very good at it, so they do it a lot.
• D) Nothing else can chemically alter minerals.

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Definitions:

Maintenance Margin

The minimum amount of equity that must be maintained in a margin account to continue holding a position, set by a brokerage to prevent excessive borrowing based on volatile market values.

Margin Call

A margin call occurs when the value of an investor's margin account falls below the broker's required minimum level, prompting the investor to either deposit more funds or sell assets to cover the shortfall.

Margin Deposit

A deposit required by a broker from a client when they borrow from the broker to buy securities, serving as collateral for the loan.

Long Positions

Investing strategy where an investor buys a security with the expectation that it will increase in value.