Building blocks for are body
Answer:
B
Explanation:
It removes other waste from our body and keeps our blood clean
Protozoans, bacteria, fungi... viruses are not organisms
To be able to compare the results to a sample without any of the independent variable added.
Answer:
The answer is both the first (Cause disease) and second (Cause algal blooms)
Explanation:
Protists may cause disease and even kill living things. Also, algal blooms are essentially protists but have chloroplasts- which plays a part in them being harmful.