Its my last question on my test and it is gonna get me off probation
1) bar graphs can be very when logging and reviewing data. unfortunately, this graph is missing details that us identify what the graph is representing. we know that it is identifying colors. we also know the scale is skip counting by the 2,000s. what would this bar graph be more understandable.

a) title

b) less colors

c) smaller numbers

d) more colorful colors

2) what else would aid in understanding this bar graph?

a) label the x and y axis

b) provide more numbers

c) provide more colors

d) add pictures

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?