It's either Coal or Petroleum. I'm leaning more towards petroleum.
The P wave is the primary preliminary wave because it is the first to arrive at a seismic station after an earthquake.
Answer:
(e) arsenate
Explanation:
Arsenate -
arsenate are the chemical compound , that contains the arsenate ion , of formula , AsO₄³⁻ . The valency of the the arsenic atom in the ion is 5 , and has a pentavalent structure .
From the given compound in the question , the compound have an arsenate ion , hence it belongs to the Arsenate family .
Idk if your asking what the oldest political party is but I'm assuming you are so,
Federalist is the oldest party in the US. They eventually become the democrats.
Naturalists of Steno’s day were becoming convinced that matter was composed of different combinations of tiny “corpuscles”—what today we would call molecules. Steno argued that the corpuscles in the teeth were replaced bit by bit, by corpuscles of minerals. In this gradual process, the teeth didn’t lose their overall shape as they turned from tissue to stone.
