Answer:
total net force= 47 N.
the motion of the couch will be towards Becky's friend.
Explanation:
the net force is obtained when the two forces are added.
the motion will be towards Becky's friend bcoz she's applying more force than Becky
DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
Changes in the force of contraction of the heart
Answer: The answer is Adaption-level Phenomenon
Explanation: Adaption-level phenomenon is a tendency which people have to adapt fast to a new situation until the situation becomes the norm. They get used to such situation such that it is no longer big deal to them anymore and another new experience is needed. If a new situation seems better than the current state the person feels better but only for a little while, if the situation however feels like a step backward, the person becomes sad and frustrated.