Answer:
14. 2.5% of water is freshwater
Answer:
Explanation:
The algae are a polyphyletic and paraphyletic group of organisms. They are defined in differing ways, but are usually considered to be the photosynthetic organisms excepting plants.
Answer:
may be they are history and geography
Answer: I would say anything that helps the immune system, and anti bodies usually helps the immune system.
Explanation:
DNA replication has such accuracy varies. There are many DNA polymerases/repair enzymes that synthesize/repair DNA. Some are more frequent than others. The error frequency ranges between 1 to per 10,000 base pairs to 1 to per 10,000,000 base pairs, depends on the enzyme