The answer is d
you used all of these to strength train
There must be a stairway or ladder at points of access where there is an ... Must have uniform riser height and tread depth, with less than a 1/4-inch variation. ... Ladders must be kept in a safe condition ... If using ladders where the employee or the ladder could contact exposed energized electrical equipment
Explanation: Well, A healthy balanced diet will help you build strong bones from an early age and maintain them throughout your life. You need sufficient calcium to strengthen your bones and vitamin D to help your body absorb calcium. The bones become porous and fragile, the skeleton weakens, and the risk of fractures greatly increases. ... In younger and older adults, a nutritious diet helps preserve bone mass and strength. And in those who have had a fracture, it speeds and aids recovery and reduces the risk of having another fracture.
<h3>Ionisation energy:-</h3>
Ionisation energy is the minimum amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated neutral gaseous atom or molecule...
