Energy from food is measured in calories. We convert the calories into chemical energy.
Therefore, the answer is the 3rd choice.
Answer: Molarity of a physiological saline solution is 0.15 M
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

n = moles of solute
=volume of solution in ml
Given : 0.89 g of sodium chloride in 100 ml of solution.
To calculate the moles, we use the equation:

Volume of solution = 100 ml

Molarity of physiological saline solution is 0.15 M
I'm assuming A, but it says modern, so..
Answer:
<h2>D</h2>
Explanation:

<em>According to Universe Today, The answer is D because Radiation from the Sun, which is more popularly known as sunlight, is a mixture of electromagnetic waves ranging from infrared (IR) to ultraviolet rays (UV). It of course includes visible light, which is in between IR and UV in the electromagnetic spectrum.</em>

<em>Hope this helps! <3</em>

良い日をお過ごしください!
