18: D, homologous
20: B, DNA
I can’t see 17 or 19!
Answer:
It causes no pollution.
Explanation:
The first concern about implementing the method used for coral regeneration is that it causes no water pollution in order to protect the other aquatic animals from the harmful effect of the method used for restoration. If the harmful effect of coral regeneration is higher and disturbing so it must be avoided in order to save other organisms but if there is no harmful effect of the method used for coral regeneration so it must be used.
Answer:
Eukaryotic cells have a membrane-bound nucleus.
Prokaryotic cells do not. The nucleus is where Eukaryotic stores their genetic information.
<span>Ancient cultures knew that unseen energy flows through all living things. Reiki is a system of healing that channels this energy by placing the hands. In recent scientific experiments, medical doctors are studying the correlation between this energy and the functioning of the immune system.</span>