Answer:
A patient who can produce antibodies against some bacterial pathogens, but not against viral infections, probably has a disorder in his, B cells.
a) B cells
The answer is <span>stimulants</span>
Answer:
The development and proliferation of algal blooms likely result from a combination of environmental factors including available nutrients, temperature, sunlight, ecosystem disturbance (stable/mixing conditions, turbidity), hydrology (river flow and water storage levels) and the water chemistry