Answer:a is the answer Your welcome:)!
Cyanobacteria all live in aquatic environments and use photosynthesis to make their own food. Additionally, all cyanobacteria belong to the larger class of bacteria, which is one of the largest groups of organisms. Most cyanobacteria are unicellular, and they typically live in large colonies.
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Answer:
A
Explanation:
Some materials reflect light waves.
Answer:
B. An idea supported by evidence.
Answer:
A. What causes some people to be color-blind?
Explanation:
This is something that could be tested with different variables including DNA, or past family medical history.
