Answer: Atmosphere
Explanation:
if a scientist wants to predict the weather, they should most directly study Atmosphere.
Answer:
"HEMOGLOBINA. Las características de la hemoglobina (Hb) como amortiguador están íntimamente vinculadas a la capacidad de disociación del grupo imidazólico del aminoácido histidina unido al hierro que contiene el grupo hemo (ver figura inferior)."
Link: http://www.ehu.eus/biomoleculas/buffers/buffer4.htm#:~:text=HEMOGLOBINA&text=Las%20caracter%C3%ADsticas%20de%20la%20hemoglobina,hemo%20(ver%20figura%20inferior).
Answer:
2.4 x 1027 g
Explanation:
the mass of 1 mole of brick is 2.4 x 1027 g.
I believe it would be 7.731. x 10^5? That is if they want you to evaluate.