Match each effect to its cause. investing in physical capital
investing in human capital
engaging in international trade
increase in literacy rate
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increase in foreign demand for goods
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increase in production speed and quality
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1. Increase in literary rate b. Investing in human capital

2. Increase in foreign demand for goods c. Engaging in international trade

3. Increase in production speed and quality a. Investing in physical capital

Explanation:

In order to increase in the literary rate there should be an investment in human capital. whereas to increase in demand for goods in foreign there should be more emphasis on the foreign trade or international trade.

In crease in production speed and quality will be possible with investment in physical capital.

sounds good to me mate!