1. x-ray soft tissue organs - barium
2. reduce pain and fever- acetylsalicylic acid
3. anesthetic- nitrous oxide
4. treat acne - A. benzoyl peroxide
Answer:
The correct answer is - option C. Law of superposition.
Explanation:
According to the law of superposition states that within a sequence of layers of natural sedimentary rock without any disturbance, the oldest layer is lies under the younger layers with ascending order in the sequence.
If a sedimentary rock has 4 layers as a, b, c and d where the younger layer d would be on top and the oldest layer a would be at the bottoms.
Thus, the correct answer is - option C.
Answer:
<h2>
<em>1</em><em>.</em><em>2</em><em> </em><em>Joule</em></h2>
<em>sol</em><em>ution</em><em>,</em>
<em>Force=</em><em>4</em><em> </em><em>N</em>
<em>Distance</em><em>=</em><em>0</em><em>.</em><em>3</em><em> </em><em>m</em>
<em>Now</em><em>,</em>
<em>
</em>
<em>hope</em><em> </em><em>this </em><em>helps</em><em>.</em><em>.</em><em>.</em>
<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em><em>.</em>
(1) CaCO3 is your answer. The positive ion is

and the negative
radical ion is

. There exists covalent bonds between the carbon and oxygen atoms in the

.
Answer:
<h3>D energy of motion</h3>
Explanation:
Kinetic energy is the energy present in mass in motion