Answer : Photosynthesis is an example of a chemical reaction.
Explanation :
Photosynthesis : It is a type of chemical process which takes place in the plant cell. In photosynthesis process, the light energy converted into the chemical energy.
As plant needs carbon dioxide, water and light. During the photosynthesis, carbon dioxide, water and sunlight react to gives glucose, oxygen and water as a product.
The balanced reaction of photosynthesis will be,

Hence, photosynthesis is an example of a chemical reaction.
True, though the Hadean period is one exception.
Bias is having emotional input or a preconceived notion of something.
example: you are judging a contest and your best friend is in that contest. you would want your friend to win, therefore you have bias
Answer:
The forensic autopsy is preformed by "Forensic pathologist".
Explanation:
The forensic pathologist would perform a forensic autopsy, Forensic pathologist will focus on the cause behind the death by studying the body or the corpse. Most probably they do the postmortem examination. The forensic pathologist is also a medical doctor, who must have completed the training in anatomical pathology with specialization in forensic pathology. The forensic pathologist are basically there to find the cause and also the manner of death. They are trained for performing autopsy, helps in evaluation of historical and law enforcement investigative information, documentation in sexual assault, helps in collection of the medical evidence.
1. photosynthesis
2. algae
3. chlorophyll
4. herbivore