Which of the following is a metalloid in the third period of the periodic table?
A) Al
B) Si
C) P
D) S
Question 2
What is the initial step of the hydrologic cycle?
A) evaporation of water from the oceans
B) evaporation of water from land masses
C) condensation of water in the form of clouds
D) precipitation of water onto land
E) precipitation of water back into the oceans
