A book weighing 5N (newtons – force/weight is measured in newtons – yes, weight is a measure of force) sits on a table. What is the sum of all the forces acting on the book? Explain.

The sum of all the forces acting on the book is 0 because the book stays still.

lets get this bread mom

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.