Mitosis begins with replicated chromosomes i think
The answer is A, friction.
Friction is the force that resists movement, and that's why oil is used as a lubricant and why ball bearings are used for machines that need to move with very little friction(i.e. bike wheels, roller skates, fidget spinners)
Answer B is too vague
C will probably reduce efficiency greatly, but not specifically in a way that turns work into thermal energy.
D is the same as C, except that it places the blame on the person using the machine, not the machine itself.
Hope I helped clear it up for you :)
I think you got it right
But I’m but sure
Threats and Impacts Attended. Transforming the landscape of hillsides prone to erosion into cultivation terraces increases agricultural productivity and food security. Terraces prevent landslides and erosion by reducing the intensity of runoff.