This protein contains atoms of the element Iron. How does the presence of this element with O2 make the blood look?

Which is an example of a population?

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.