As time goes on, the embryo inside the egg grows and consumes more oxygen. The rate of gas exchange must increase even though the size and distribution of pores in the eggshell don’t change. This means that:A. The concentration of oxygen inside the shell stays the same as the embryo develops. B. The concentration of oxygen inside the shell decreases as the embryo develops. C. The concentration of oxygen inside the shell increases as the embryo develops.

Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)

Drag each tile to the correct box. tiles bra i sequence

What is the relationship between ozone and smog?