Why Is There Virtually No Hydrogen and Helium Present in the Atmosphere

question 53

Multiple Choice

Why is there virtually no hydrogen and helium present in the atmosphere today?

• A)These gases were burned off by solar radiation.
• B)The gravitational force of Earth was not strong enough to hold them.
• C)These gases were consumed by rock-forming processes.
• D)Acid rain removed these gases from the atmosphere.

---

Definitions:

Legal Acceptance

The formal acknowledgment by the party to whom an offer has been made, agreeing to the terms of the offer, resulting in a binding contract.

True Value

An accurate assessment of an item's worth, based on its current condition and market demand.

Non-Obvious

In the context of patents, it refers to an invention that is not evident to someone with ordinary skill in the particular field of the invention.

Patent

A legal document granting the holder exclusive rights to an invention, design, or process for a certain period.