The sunflower seeds we eat are the result of reproduction in the sunflower plants.

Explanation:

Sunflowers use a cross-pollination method of reproduction by attracting animals and insects such as bees and using them to spread reproductive pollen from one flower to another as well as the seeds the folower produces.

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.