Get personalized answers to your unique questions on IDNLearn.com. Whether your question is simple or complex, our community is here to provide detailed and trustworthy answers quickly and effectively.

Neppat steps the Pacific and Nazca plates. Record these measurements in Table 2.

Table 1
\begin{tabular}{|l|c|l|l|l|}
\hline \multicolumn{1}{|c|}{\begin{tabular}{c}
Cocos-Nazca Plates \\
(Use line A)
\end{tabular}} & Anomaly I & Anomaly II & Anomaly III & Anomaly IV \\
\hline \begin{tabular}{l}
Measured the distance across \\
anomaly on the map (cm)
\end{tabular} & 0.5 cm & 1.0 cm & 1.5 cm & 3.0 cm \\
\hline \begin{tabular}{l}
Scale conversion distance \\
across the anomaly (km)
\end{tabular} & 125 km & 100 km & 75 km & 50 km \\
\hline \begin{tabular}{l}
Scale distance across the \\
anomaly converted to cm
\end{tabular} & [tex]$12,500,000 cm$[/tex] & & & \\
\hline Total years of Anomaly & [tex]$5,000,000 yrs$[/tex] & [tex]$5,000,000 yrs$[/tex] & [tex]$5,000,000 yrs$[/tex] & [tex]$5,000,000 yrs$[/tex] \\
\hline \begin{tabular}{l}
Average Seafloor Spreading \\
Rate [tex]$( cm / yr )$[/tex] of Anomaly
\end{tabular} & [tex]$2.5 cm / yr$[/tex] & [tex]$2.0 cm / yr$[/tex] & [tex]$1.5 cm / yr$[/tex] & [tex]$3.0 cm / yr$[/tex] \\
\hline
\end{tabular}

Table 2


Sagot :

Sure! Let's complete Table 2 by filling in the missing values step by step.

Table 1 provided the following data:
- Measured the distance across the anomaly on the map (cm): 0.5 cm, 1.0 cm, 1.5 cm, 3.0 cm
- Scale conversion distance across the anomaly (km): 125 km, 100 km, 75 km, 50 km
- Scale distance across the anomaly converted to cm: 12,500,000 cm (this is the value converted from 125 km), 10,000,000 cm, 7,500,000 cm, 5,000,000 cm (these need to be filled in)
- Total years of Anomaly: 5,000,000 yrs for each anomaly

To find the missing scale distances in cm, we use the conversion rate of 1 km = 100,000 cm.

Let's fill in the missing values for the scale distances in cm:
1. 125 km = 125 100,000 = 12,500,000 cm
2. 100 km = 100
100,000 = 10,000,000 cm
3. 75 km = 75 100,000 = 7,500,000 cm
4. 50 km = 50
100,000 = 5,000,000 cm

Next, we calculate the average seafloor spreading rate (cm/yr) for each anomaly using the formula:
[tex]\[ \text{Average Seafloor Spreading Rate} = \frac{\text{Scale distance across the anomaly in cm}}{\text{Total years of anomaly}} \][/tex]

Given:
- Total years of anomaly = 5,000,000 yrs

Let's calculate:
1. For the first anomaly (12,500,000 cm / 5,000,000 yrs):
[tex]\[ \frac{12,500,000 \text{ cm}}{5,000,000 \text{ yrs}} = 2.5 \text{ cm/yr} \][/tex]
2. For the second anomaly (10,000,000 cm / 5,000,000 yrs):
[tex]\[ \frac{10,000,000 \text{ cm}}{5,000,000 \text{ yrs}} = 2.0 \text{ cm/yr} \][/tex]
3. For the third anomaly (7,500,000 cm / 5,000,000 yrs):
[tex]\[ \frac{7,500,000 \text{ cm}}{5,000,000 \text{ yrs}} = 1.5 \text{ cm/yr} \][/tex]
4. For the fourth anomaly (5,000,000 cm / 5,000,000 yrs):
[tex]\[ \frac{5,000,000 \text{ cm}}{5,000,000 \text{ yrs}} = 1.0 \text{ cm/yr} \][/tex]

Now, let's fill in Table 2:

| | Anomaly I | Anomaly II | Anomaly III | Anomaly IV |
|--------------------------- |----------------|----------------|----------------|------------|
| Measured the distance across anomaly on the map (cm) | 0.5 cm | 1.0 cm | 1.5 cm | 3.0 cm |
| Scale conversion distance across the anomaly (km) | 125 km | 100 km | 75 km | 50 km |
| Scale distance across the anomaly converted to cm | 12,500,000 cm | 10,000,000 cm | 7,500,000 cm | 5,000,000 cm|
| Total years of Anomaly | 5,000,000 yrs | 5,000,000 yrs | 5,000,000 yrs | 5,000,000 yrs|
| Average Seafloor Spreading Rate (cm/yr) of Anomaly| 2.5 cm/yr | 2.0 cm/yr | 1.5 cm/yr | 1.0 cm/yr |

This completes the detailed step-by-step solution for the given measurements and calculations.