Which of the following codes for a specific protein?

question 1 options:

dna

gene

enzyme

chromosome

the answer to your question is b

thinking it would be d not too sure but i think it's right

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

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.