Regular physical activity promotes growth and development and has multiple benefits for physical, mental, and psychosocial health that undoubtedly contribute to learning.
• Specifically, physical activity reduces the risk for heart disease, diabetes mellitus, osteoporosis, high blood pressure, obesity, and metabolic syndrome; improves various other aspects of health and fitness, including aerobic capacity, muscle and bone strength, flexibility, insulin sensitivity, and lipid profiles; and reduces stress, anxiety, and depression.
• Physical activity can improve mental health by decreasing and preventing conditions such as anxiety and depression, as well as improving mood and other aspects of well-being.
• Physical activity programming specifically designed to do so can improve psychosocial outcomes such as self-concept, social behaviors, goal orientation, and most notably self-efficacy. These attributes in turn are important determinants of current and future participation in physical activity.
An electron microscope uses a beam of electrons in order to see very small and detailed components. These electrons are in fact negatively charged particles.
This type of microscope would allow you to see small components such as ribosomes and other organelles inside a cell.
Therefore, your answer is B. Electron Microscope.
I believe the answer is A. <span> fluoride
American Academy of Pediatric Dentistry stated that Toothpaste that contains fluoride is proven to prevent tooth Decay.
This happens because Flouride would slow down the breakdown of Enamel and would make our teeth much more resistant to Acid.</span>