An experiment was conducted to measure the effect of equal amounts of fertilizer on the growth of bean plants and corn plants. The results indicated that, although both seedlings benefited from the fertilizer, the bean plants benefited slightly more. Which graph best shows these results? A. X
B. W
C. Z
D. Y

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este

c. electrical charges of ionic bonds.