a. What is the resultant force exerted by the two cables supporting the traffic light in the figure? b. What is the weight of the light? c. If a 20-N wind blows on the traffic light to the right, what are the new tensions in each cable if the angles do not change?

cell differentiation  is how generic embryonic  cells  become specialized  cells. this occurs  through a process called gene expression. gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a  cell  functions.

explanation:

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.

1 is a answer of a question