The correct answer is option D
Ali is using a specialized headphone that cancels the extra noise in the atmosphere.
Megan is using a transmitter to convert electrical signals into radio waves.
Kristoff is using a microphone to convert sound waves into the electrical signals.
Jenna is using the radio to convert radio waves into sound waves.
Answer:
Explanation:
5 Reasons the World is Running Out of Freshwater
Increased Food Requirements of a Growing Population. ...
Increased Energy Requirements by a Growing Population. ...
Increased Frequency of Droughts. ...
Groundwater is Being Pumped at Unsustainable Rates. ...
Inadequate Water Infrastructure.
Answer:
Lamellae
Explanation:
These lamellae are remnants of osteons whose matrix components have been almost completely recycles by osteoclasts. growth of the bone.