Pls help me with this

Hello, i would like someone to respond to this slogan .slogans 1. compare the two ways of representing the results of an investigation: through graphs and through tables. which form is easier to elaborate and interpret? which would be most appropriate to make comparisons between results of multiple variables? justify and exemplify your answers. 2. why should so much importance be attached to the formal part of the presentation of the results of an investigation? are not substantive issues much more important?

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.