Help plz ASAP Which of the following properties of carbon distinguishes it from all other elements?

A- Carbon has six protons in its nucleus
B- Carbon is a gray solid at room temperature
C- Carbon forms compounds with oxygen
D- Carbon can be found in Earth’s crust

Which of these statements are true about scientific theories and hypothesis

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

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.