Answer:
The correct answer is - A. through the use of earthquake waves.
Explanation:
The interior of the earth can not be studied or seen by digging the hole, for that scientist normally use the movement of seismic waves, from earthquakes or nuclear test explosions, are reflected, slow down, sped up bent by passing through the different layers.
Waves behave differently as they move in different layers and their material helps scientists to learn and study the layers and their constituents. It explains that the Earth's interior has a series of concentric shells, with a thin outer crust, a mantle, a liquid outer core, and a solid inner core.
Answer:
c2h4o
Explanation:
empirical formula is simplest whole number ratio of atoms in molecule
SINCE RATIO OF C,H O IS:
C : H : O
4: 8 :2
SIMPLEST RATIO ( DIVIDING BY 2)
2: 4: 1
C2H4O
Lifestyle changes such as losing weight and living an active life are effective in reducing the risk of progression of prediabetes to type 2 diabetes.
<h3>What is diabetes?</h3>
Diabetes is a disease in which the body is unable to utilize glucose in the body efficiently.
Patients who are prediabetic are at risk of developing diabetes.
However, the diabetes prevention program shows that lifestyle changes such as losing weight and living an active life are effective in reducing the risk of progressing to type 2 diabetes.
Leran more about diabetes at: brainly.com/question/504794
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Nucleic acids. They are larger molecules made up of smaller units called nucleotides. Each nucleotide contains a carbohydrate molecule, a phosphate group, and a nitrogen-containing molecule.