An important feature of economic development is

An important feature of economic development is a high literacy level. This means that the population is educated and skilled, which leads to a more productive and efficient workforce. With a higher literacy level, people can understand complex issues, have better decision-making skills, and engage in innovation and technological advancement. This can lead to a more diversified economy with higher levels of production and income. Additionally, a high literacy level can lead to better health outcomes, increased political participation, and overall societal progress. Therefore, promoting education and literacy is essential for sustainable economic development. The other options, such as population explosion, reduction in exports, and low exports, are not necessarily features of economic development and can even hinder it.