16. a
17 a
18 b
19 b
20 a
21 c
22 c
23 c
24 a
25 b
26 c
27 a
28 c
29 b
30 a
31 b
32 a
33 c
34 c
35 b
36 a
37 c
38 b
39 a
40 b
41 c
42 a
43 b
44
<span>1. C
</span><span>2. B
</span><span>3. A
</span>4. A
5. C
6. B
7. C
Dolphins are smarter than sharks