Explanation:
Index fossils are fossils type fossils that are used to identify stratigraphic records and their positions. They are vey key in determining relative ages of rock sequences.
- These fossils have a short vertical stratigraphic range.
- Index fossils have short evolutionary history.
- They are widely distributed in nature.
- Examples of index fossils are trilobites and ammonites.
Answer:
the answer is A
Explanation:
Taste stimuli produce depolarizing and hyperpolarizing potentials in individual taste cells.
The correct answer here would be Gross Domestic Product.
Gross domestic product or GDP for short (this is very commonly and quite often used in different media) stands for the gross amount of money one country makes by manufacturing, selling, trading, and doing deals of other kinds with either private or national companies from various countries.