Pick the larger species from each of the following pairs. a. When comparing the two species Pd and Pd2+ the larger of the two is
b. When comparing the two species Se^2- and Sr^2+ the larger of the two is
c. When comparing the two species Sr and Sr^2+ the larger of the two is
d. When comparing the two species N and N^3- the larger of the two is

1. Sr^2+
2. Se^2-
3. Pd^2+
4. Pd
5. Sr^2+
6. N^3-
7. N^3-
N
Sr

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.