Astudent is investigating the effect of plants on indoor air quality and states, "if plants are added to an indoor environment, the air quality will improve." this statement is an example of -

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

In which part of the body is a ball-and-socket joint found?