What type of bond is found in region 2? A. Hydrogen bonds
B. Peptide bonds
C. Covalent bonds
D. Enzyme substrate bonds

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

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.

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.