Yes it is answer A. (At least 20 characters long)
Answer:
its D and E
i just did it and that was the answer
Answer: Principle of Superposition
Explanation: In an otherwise undisturbed sequence of sedimentary strata, or rock layers, the layers on the bottom are the oldest and layers above them are younger. Principle of Original Horizontality: Layers of rocks deposited from above, such as sediments and lava flows, are originally laid down horizontally. Hope this helps!
Answer: The global climate warmed.
Explanation: Mount Pinatubo erupted in 1991 and is one in every of the biggest volcanic eruption that has taken area on earth. This eruption brought about the emission of a massive quantity of poisonous gases which includes sulfur dioxide and volcanic ashes. These had been trapped withinside the surroundings for a protracted length of time. There had been a few substances that meditated the incoming sun radiations again into space. Due to this, the gases had been trapped withinside the surroundings and sooner or later brought about a growing floor temperature. This occasion brought about the earth's international weather plenty warmer.