Analyzing Human Activities Data (continued) Carbon Dioxide
Methane
Concentration (ppm
mummum .
Compare the trends on the human activity graphs to the trends on the graphs of carbon
dioxide and methane. What do you notice?

i think the answer is b.

hope it

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above