The answer is The Doppler Effect. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.
Clean energy like solar wind and water
The correct answer is C. self-report inventory.
A self-report inventory test is a category of personality tests in which individuals answer a series of questions about personal behavior. Self -report inventory asks questions directly about their personal interest, values, symptoms and behaviors. it may takes five to fifteen minutes to complete test.
I think B. thermal energy.
When we heat up a substance, we increase the motion or vibration of the particles.
The isopropanol will extract the DNA from the strawberries.
Explanation:
Strawberries help in DNA extraction as it has enzymes and pulverizes easily which breaks the cell wall and has large number of DNA in it. The isopropanol helps in precipitating the DNA.
In an experiment of DNA isolation, a squashed and refrigerated strawberry was added in a isopropanol solution after filtering it. It can be seen DNAs are starting to isolate from the strawberry extract in the form of fluffy bubbles.
