Which of the following arrangement of periods of the mesozoic era gives a correct sequence from the earliest to the latest?

Options

A. Jurassic, Triassic, Cretaceous
B. Triassic, Jurassic, Cretaceous
C. Permain, Jurassic, Triassic
D. Devonian, Permian, Jurassic

Answer

To determine the correct sequence of the periods of the Mesozoic era from the earliest to the latest, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Mesozoic Era**: The Mesozoic era is the second of the three major geological eras, following the Paleozoic era and preceding the Cenozoic era.

2. **Identify the Periods of the Mesozoic Era**: The Mesozoic era consists of three main periods:
- Triassic
- Jurassic
- Cretaceous

3. **Establish the Timeline**:
- **Triassic Period**: This is the earliest period of the Mesozoic era, lasting from approximately 245 to 208 million years ago (MYA).
- **Jurassic Period**: Following the Triassic, the Jurassic period lasted from about 208 to 146 MYA.
- **Cretaceous Period**: This is the latest period of the Mesozoic era, spanning from approximately 146 to 65 MYA.

4. **Arrange the Periods in Order**: Based on the timeline established:
- The correct sequence from the earliest to the latest is:
- **Triassic → Jurassic → Cretaceous**

5. **Select the Correct Option**: If presented with multiple choices, the option that lists the periods in the order of Triassic, Jurassic, and Cretaceous is the correct answer.

### Final Answer:
The correct sequence of the periods of the Mesozoic era from the earliest to the latest is **Triassic → Jurassic → Cretaceous**.

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