Magnetism is the force exerted by magnets when they attract or repel each other. Magnetism is caused by the motion of electric charges. Every substance is made up of tiny units called atoms. Each atom has electrons, particles that carry electric charges.
Answer:
Before answer this question, you need to know what is the half-life of a compound, the term half-life is defined as the time it takes for one-half of the atoms of a radioactive material to disintegrate. Knowing this you know that has passed half of the half-time, so you should probably have 25% of the original amount of 235U. This problem may be tricky because it says half of the time to reach the half-time, but 50% of the compound will be present in 750 million years after the death of the specimen.
Answer:
Sorry for the delay, they are so many questions and it took me a while
Answer:
This would be A hope this helps
Explanation:
Answer:
Which ethical standards are applied.
Explanation:
Acne is mainly caused by the bacterial infection. The drugs are available in the market to treat the acne problem. Before available in the market, drugs have to pass through several tests.
The Supermeds corporation decide whether the drug should come into the market or not. The drug should not contain the banned chemicals and the drugs do not cause any harm to living organism. This indicates that the ethical standard are applied in case of drug discovery.
Thus, the correct answer is option (4).