What are the SI units of frequency?
A. S
B. Hz
C. m/s
D. m

When analyzing tree rings, what do scientists assume a thin ring indicates?

Match with o for organic and i for inorganic for each compound

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.