Which planet is known as the Red Planet?

✅ A.  20 Hz to 20,000 Hz.

✅ C. Iron

✅ B. Thermometer

a: Voltmeter | b: Thermometer | c: Seismometer | d: Barometer Read more

✅ C. Light Emitting Diode

A: Low Energy Data B: Low Energy Diode C: Light Emitting Diode D: None of these Correct Answer: Light Emitting Diode Read more

✅ B. Gerontology

✅ D. 8 days

✅ D. Eratosthenes

✅ B. Total greenhouse-gas emissions associated with an activity or entity

a: A shoe mark in soil | b: Total greenhouse-gas emissions associated with an activity or entity | c: A tree's height | d: The weight of coal only Read more