Concept:Diseases that are contracted through inhalation enter the body when animals breathe in infected droplets, dust, or spores.
Explanation:Newcastle disease is a viral disease of poultry that spreads through respiratory discharges and can be inhaled.
Aspergillosis is caused by fungal spores present in air, litter, or feed, and animals get infected by inhaling these spores.
Therefore, both Newcastle disease and aspergillosis are diseases that could be contracted through inhalation.
The other pairs listed are mainly spread through ingestion, contact, or contaminated materials rather than through inhalation.
Answer:B. Newcastle disease and aspergillosis