The answer is B:Directional beacons
Answer:
I would probably say the first 3 and the last option.
Explanation:
makes the most sense, sorry if it's wrong.
A. immune system
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Answer:
A sample response follows: Exercises in which children ages 2 to 5 can participate include walking, running, climbing.
Exercises in which children ages 6 to 7 can participate include T-ball, swimming, gymnastics