I. "Physics helps in attaining sustainable development of our society." Discuss the given statement by mentioning THREE important roles of physics. ii. Describe any THREE important contributions of physics in the field of technology. iii. Describe any three contributions of physics in the field of science.

Protons have a positive charge and, collectively, give an element its atomic number.

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached

What are your choices. i believe it might be mitochondria but i will know for sure when i see the choices. let me know okay i'm happy to answer