<span>The twisted ladder shape of DNA is called a double </span>helix.
The correct answer is C: the gravitational forces due to the sun and the moon cancel each other's effect.
Mitosis in the stage prophase chromosome and DNA is copied
Water temperature and pressure determine how far sound travels in the ocean. ... The whale produces sound waves that move like ripples in the water. As the whale's sound waves travel through the water, their speed decreases with increasing depth (as the temperature drops), causing the sound waves to refract downward.
