Answer:
Apitite
Explanation: Apitite has a hardness of 5 it can scratch flouride but Quartz has a hardness of 7 meaning it can scratch Apitite
Answer:
dear user nitrogen fixation is so important bcoz of the reasons given above
Comets are most like planets have elliptical orbits
The benefits of the biotechnological researches posses the same level of threat if they are not regulated. It is essential to set some ethical guidelines to prevent the misuse of the biotechnological researches. the genetically altered organisms posses a harm to the environment if they are mixed with the natural occurring ones. Moreover, the super pathogens and drugs can cause a catastrophe if not handled properly, and can be used in bio-terrorism. Hence, it is essential to follow the rules and take in notice the ethical concerns.
