299
KEY TO PRACTICE 28
QUESTION ANSWER QUESTION ANSWER QUESTION ANSWER QUESTION ANSWER
1 B 21 A 41 B 61 D
2 C 22 D 42 D 62 A
3 D 23 A 43 C 63 C
4 C 24 D 44 D 64 C
5 D 25 B 45 B 65 B
6 D 26 D 46 A 66 D
7 B 27 A 47 C 67 C
8 28 B 48 D 68 B
9 B 29 C 49 A 69 A
10 D 30 A 50 C 70 B
11 A 31 C 51 D 71 B
12 B 32 B 52 C 72 D
13 C 33 B 53 D 73 B
14 D 34 B 54 D 74 A
15 D 35 D 55 A 75 A
16 D 36 A 56 A 76 D
17 A 37 D 57 A 77 B
18 C 38 A 58 C 78 D
19 A 39 B 59 C 79 C
20 D 40 A 60 C 80 A
