resupplying the ground water
Answer: 1. Cambrian period, 5. rotation at the shoulder joint. 3. d. notochord, 4. d 2. d.
Explanation:
Answer:
The major difference between the two is that tortoises dwell on land, while turtles live in the water some or nearly all of the time.
Explanation:
https://www.diffen.com/difference/Tortoise_vs_Turtle
the answer is 21<span>% oxygen, </span>
