Answer:
The purpose of ethical guidelines for handling of experimental subjects is to ensure the safety and well-being of all living creatures in an experiment. Ethical guidelines include issues such as human rights, animal welfare, safety compliance with the law, conflicts of interest, health standards.
1. C
2. B
3. C
4. A
5. D
6. B
7. D
8. D
9. C
10. A
Answer:
Stephen Hawking is the famous physicist who wrote a brief History of time
The answer is Thymine.
—Evidence—
Within the DNA molecule, adenine bases located on one strand form chemical bonds with thymine bases on the opposite strand.
A solution is a mixture where the individual components cannot be made out.
Sugar dissolves in water, which results in a mixture of sugar and water. When the sugar dissolves, it is invisible to the human eye, but still exists at a molecular level. This makes the mixture a solution, as you cannot separate the sugar from the water visibly. The answer will be D) A mixture of sugar and water.