Approximately What Proportion of the Total Solar Radiation Entering the Earth's

question 55

Multiple Choice

Approximately what proportion of the total solar radiation entering the Earth's atmosphere is directly absorbed by the Earth's surface?

• A)27%
• B)31%
• C)49%
• D)69%
• E)100%

---

Definitions:

Gelled Electrolyte

A type of battery electrolyte that uses a gel substance, enhancing battery stability and reducing the likelihood of leakage.

Maintenance-free

Describes products or systems designed to operate without the need for regular maintenance or upkeep.

Inactivated Shelf Life

The duration for which a product or substance remains effective or safe to use after its activation has been halted or not initiated.

Internal Rate of Return

The discount rate that makes the net present value of all cash flows from a particular project equal to zero.