Sound can be both longitudinal waves and transverse waves.
The answer is: [D]: "adapting to droughts and few sources of water" .
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Answer:
Explanation:
Qualified Supervision. No Small Committment! ...
Physical Fitness. Keep a Health History of Your Den, Pack or Troop! ...
Swimming Ability. Key to Personal Safety. ...
Personal Floatation Devices. Everyone Must Wear One! ...
Buddy System. Similar to Safe Swim Defense. ...
Skill Proficiency. Know Your Mode & Safety Procedures. ...
Planning. ...
Equipment...
1 and D
2 and A
3 and C
4 and B
