It could be frictional force or tension force
Answer: i would say the answer is d
Answer:
The answer is A.
Explanation:
To test if the selenium from the mine has an effect on the fish living in the lake which i assume is close to the mine, testing the tissue of the fish from that lake and comparing it to the selenium levels of the fish from a nearby lake would be a testable hypothesis because there is a comparable aspect and there should be a difference in the numbers between the fish from the two lakes because of their distance to the mine.
I hope this answer helps.
Answer:
The correct answer would be Both types of fingerprints can often be easy to obtain from the crime scene.
DNA fingerprinting is a technique used for a paternity test and in establishing a link between the biological evidence and suspect in the crime, identification of dead bodies et cetera.
It is based on the similarities and differences associated with the DNA sequence of organisms especially the non-coding or junk DNA.
The DNA fingerprints are developed in labs, they are not found at crime scenes.
At the crime scene, pieces of biological evidence such as blood, skin, hair et cetera are taken from which DNA could be extracted.
I believe we obtain the cells of our test subject from DNA testing
hope it works!!
