Final answer:
Technological advancements and industry regulations are two external environmental factors that can affect an organization's training needs and employees' receptivity to training.
Step-by-step explanation:
The two factors from the external environment that might affect an organization's need for training and its employees' receptivity to being trained are technological advancements and industry regulations. Technological advancements can change the way work is done, necessitating new skills and therefore training. Industry regulations can impose new compliance requirements, which businesses must address through employee training. Additionally, employees' attitudes towards training can be influenced by these external factors as they may recognize the importance of keeping their skills updated to maintain their employability in the face of changing technology and regulations.