Why should you include weight training as part of your exercise routine? 1. To increase muscle mass 2. To increase bone density 3. To increase flexibility - A. Only 1 B. Only 2 C. 1 and 2 D. 1, 2, and 3. No links pls answer correctly and only if you know the answer. I think it’s d tho will give brainliest if right

This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?

What is the fate of the electrons that interact with a specimen in an electron microscope?

What is the speed of an object at a given moment?