<h2>
<u>STATEMENTS</u></h2>
The correct statement among the given answers is letter <u>d. an object in motion will remain in motion.</u>
<h2>
<u>WHY? </u></h2>
In reality, object that is in motion (like a ball) will remain in motion unless it's stopped by something (a wall or any force).
This is stated in the first law of motion by Sir Isaac Newton -- an object in motion will remain in motion unless an outside force acted upon the object.
Living organisms also contain a lot of hydrogen, oxygen, nitrogen, sulfur, and phosphorous. Those atoms combine together to form complex molecules of various types: proteins, carbohydrates, lipids, and nucleic acids.
Explanation:
The higher the volume of water in a stream, the higher its speed and the wide its size and shape which ensures a proportionate flow rate.
To quantify how the speed of stream, we use the quantity, discharge in hydrology;
Discharge is the volumetric rate of water flow past a point at a particular time.
Discharge = 
- We see that discharge is directly proportional to the volume of water in a stream.
- It is inversely proportional to the time taken.
- We know that volume is the amount of space occupied by a body. It is function of its size and shape.
- A big water body that is deeper, wider and longer will have more wate and a greater discharge.
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Yes and no. Everyone's heart works the same way, is made of the same type of tissue and is located in the same part of the body. However, there are people with diseases who have hearts that are in worse condition and may look different. For example, people with coronary artery disease experience plaque build up in their coronary arteries, which causes a reduction of blood flow to the heart, and in order to treat this they may get a bypass surgery in which another blood vessel from somewhere else in the body, would be used to bypass the blocked blood vessel. In this case the anatomy of that person's heart would be slightly different.