Which set of elements represents a period within the periodic table?
A: H, He, Ar, Xe, and Rn
B: K, V, Fe, Ga, and Kr
C: N, P, As, Sb, and Bi
D: La, Pd, Sm, Tb, and Yb

Which of these was a result of the labor day hurricane that took place during the great depression? a) farmers lost many orange trees in orlando. b) cattle ranches were damaged near fort mccoy. c) a railroad connecting key west to miami was destroyed. d) a lake overflowed and flooded towns near fort lauderdale.

Humans during the paleolithic era used fire for each of the following purposes except a. for cooking meat b. for use as a weapon c. for heat and warmth d. for treating animal hides select the best answer from the choices provided

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.