Entrepreneurs have to deal with: C) Both external and internal uncertainties. Entrepreneurship involves operating in an environment that is characterized by various uncertainties and risks. These uncertainties can arise from external factors such as changes in market conditions, customer preferences, technological advancements, regulatory changes, and economic fluctuations. Additionally, entrepreneurs also face internal uncertainties related to their business operations, such as resource allocation, talent management, product development, and financial stability. Successful entrepreneurs must navigate and address both external and internal uncertainties to make informed decisions, adapt to changing circumstances, and mitigate risks. They need to stay proactive, gather information, analyze market trends, assess their internal capabilities, and make strategic adjustments to ensure their ventures remain competitive and sustainable.