D. Obviously because it was large and they didn't have a lot of supplies to go across also it was very deep.
Answer:
the answer is (c) the US Census Bureau
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!
I believe the answer is B. decomposers moving nitrogen into consumers.
Answer:
Wearing a mask and social distancing, there is nothing else I could fins and he says "even people vaccinated will wear a mask".
He explains that since they track people it is easier to stop the spread
