Answer:
d. Lava and volcanic gases
Step-by-step explanation:
The volcanic eruption occurred in Kilauea in Hawaii. The volcano erupted and forced out lava and volcanic gases which are harmful substances and made the area inhabitable for the people.
The primary hazards to residents during the 2018 eruption of Kilauea were the lava and volcanic gases which rendered a lot of people displaced as a result of them being compelled to move away from the area.