Question

-- are more expensive than the terrestrial WSNs in terms of
deployment, maintenance, and equipment cost considerations and careful planning
o
Underground wireless sensor networks
o Underwater WSNS
O Multimedia WSNS
Mobile WSNS
​

Answer 1

Answer:

The underground wireless sensor networks are more expensive than the terrestrial WSNs in terms of deployment, maintenance, and equipment cost considerations and careful planning. ... The sensor battery nodes equipped with a limited battery power are difficult to recharge.