The brownish-red powder on iron is called rust. It is formed by the reaction of iron and oxygen in the presence of water or air moisture. It is called oxidizing or rusting due to exposure to water and air.
The reactants are oxygen and iron the products are carbon dioxide and water and the process is oxidization.
Because green house air is like carbon dioxide and is toxic for people to breathe in but they want to put it under an act that says it will cause u no harm
Answer:
The options:
What would be the next step in this experiment?
A. construct a hypothesis and record data
B. make observations and draw a conclusion
C. ask questions and construct a hypothesis
D. analyze the results and make a conclusion
The ANSWER should be D
D. analyze the results and make a conclusion
Explanation:
It should be D, the hypothesis has been proposed by her and she's left with conclusion on the experiment. From the type of exleriment, she has little observations to make since there's is a remote conclusion in a set time period.
I would believe the correct responses would be option 1,2,4.
