Answer:
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.
Receptor proteins, they then send out the signal to perform a task or duty
Answer:
1)A
2)D
3)B
4)B
5)D
6)C
7)D
8)D
9)C
10)C
11)C
12)A
13)A
14)B
15)C
16)C
17)True
18)False
19)False
20)True
21)Cladogram
22)Body Plan
23)Deuterostomes
24)Tools
25)Osmosis
26)Sensory Neurons
27)External
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Explanation:
