Which data suggest the strongest link between heredity and intelligence? a. Fraternal twins whose IQ scores correlate at the +.9 level b. Biological siblings whose IQ scores correlate at the +.9 level c. Identical twins whose IQ scores correlate at the +.9 level d. Adoptive siblings whose IQ scores correlate at the +.9 level

c

explanation:

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.  

answer;

c. a tree whose roots are surrounded by wet sand.

explanation;

water stress is an important factor limiting the growth and productivity of forests.water stress is the most often cited cause of poor survival and growth of woody landscape plants.

-insufficient soil moisture is the most common form of water stress, but excess moisture that leads to poor soil aeration (hypoxia) can also result in reduced plant vitality. a tree whose roots are surrounded by wet sand would be least likely to experience water stress.