Which activity can substantially increase the activity level of a person's lifestyle? driving a car using an escalator washing dishes walking to school

walking to school

Physical activity refers to the movement of skeleton muscles which requires the expenditure of energy by the body. This involves daily movement or motion activities an human being perform in order to carry out a desired function. For example, walking to class, cleaning a house and mowing the lawn all these activities involves the movement of muscles. Exercise is also a physical activity which is required to be done to maintain the fitness of the body.

Walking to school will substantially increase the activity level of a person's lifestyle because it favors the movement of muscles and bones and ensures the entire body activity by the expenditure of energy. This will help in booting up of stamina and endurance. Therefore, will make a person physically fit to lead a healthy life style.

the box does not move because you need to use a force greater than 300 n. you are only using 50 n. it needs to at least be 301 n for the box to move because then it is an unbalanced force and it will move the way that the greater force is pushing it. if you use only 300 n it will be a balanced force and will not move because the force you are exerting on the   box is the same as its force.

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im sorry if i went too in depth, i am going to include a link to a video on khan academy that will explain this.   hope that you like the video and that it explains more in detail to you.

that is the link.

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.