In the reaction 4A1+302 +_ Al2O3, what coefficient should be placed in front of the Al, to balance the reaction?
0 1
O2
O 3
O 4

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?

Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, draw conclusions, make observations develop a hypothesis, analyze data, make observations, draw conclusions make observations, develop a hypothesis, analyze data, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

Why do farmer's kill animals in a mean way, don't farmer's have feeling's?