I would say Frequency is how often you perform an activity, and Intensity is how hard/intensely you perform the activity.
Answer:
The importance of development efforts for the country's progress cannot be overstated. Agriculture, industry operation, electricity production, tourism, road construction, and other development activities are crucial for the country since they help promote income-generating activities. Economic progress can be seen in these works. People are employed as a result of such development initiatives. They hone their skills.
Number two. A warm up is a light exercise preceding an intense workout. It is not responsible for most muscle gains, but allows your muscles to perform better and lessens the risks of injury.