Answer:
The correct answer is C
Explanation:
This painting is by Mary Cassat. She chose to use oil paints. When Cassat chose to use oil paints, she most likely considered that oil paints are slow drying which can make them difficult to work with, but also allow mixing and blending of colors to create various affects. She would have also considered that oil paints are long-lasting and retain their vibrancy over time.
Pathogens are the main factor for plant disease in forest ecosystems. They can cause disruption to tree functions. Although some positives reside along with these diseases. They are necessary for justifying control measures. They are one way that institutions and scientists decide what is important to study. These diseases can be used to justify funding for research or management. Ecologically, they can be a way of determining what factors are important in determining forest structure and dynamics.