DNA is sometimes described as a twisted ladder. What is this shape called?

The process by which natural forces move weathered rock and soil brim one place to another is called

How water is moving through the ecosystem ?

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring