<span>Matter is considered by modern scientists to be anything in the universe that takes up mass. It can be in any state including solid, liquid, or gas. It can also hold potential and or kinetic energy.</span>
Answer:
<h2>Changes</h2>
Explanation:
<h3>Variable is something that varies and doesn't remain constant.</h3>
The best answer is D. The SI system, which is based on the metric system, has been more widely adopted than the English system, which is harder to use. In order to standardize measurements, the International System of Units or the SI units are commonly used around the world since they are more easy to understand and compare than the English unit.
Answer:
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Answer:
A) 
B) 
Explanation:
Given:
- temperature of air,

- temperature of lungs,

- specific Heat exchanged from the lungs ,

- specific heat of air,

- mass of 1 L air,

- breath rate,

A)
Now,
amount of heat needed to warm the air of lungs to the body temperature:



B)
Amount of heat lost per hour:
<u>No. of breaths per hour:</u>



<u>Now the total loss of energy in 1 hr.:</u>


