DNA is shaped as a double helix and its nitrogen bases include thymine not uracil.
Answer:
Sun and Moon
Explanation:
the sun's tide-generating force is about half that of the moon, and the moon is the dominant force affecting the Earth's tides.
Answer:
B. False
Explanation:
No system of the body works in isolation. So, option (B) is correct.
Answer: The one on the right
Explanation: Its shaped like a pyramid. The one on the left shows the food cycle.