Anyone wanna talk im so bored, 100pts

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis