D. breakdown of rocks through mechanicals or chemicals processes
Explanation:
I'm pretty sure 1. yes 2. no and 3. it might be yes but I'd just put a maybe
Answer:
True
Explanation:
They are built from particles and blobs of congealed lava ejected from a single vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone, making them the simplest out there
Explanation:
NH4OH(aq) ---> NH4+(aq) + OH-(aq)