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
Answer:
TACGTACGTTAC (so the second one)
Look at this Quizlet study guide it'll help.
https://quizlet.com/98515495/buoyancy-in-fishes-flash-cards/
The number of protons,neutrons,electrons, the way the are classified (earth metal, noble gas,meteoroids) and also the way they react.