Answer:
what are the optionnnnnn???
Fatty acids are important for the cell membrane because the fatty acids present in membrane is cholesterol which provides the fluidity and mechanical support to the cell membrane.
Scientists use the light year because nothing can travel fast than light. Therefore, in any given time frame, light will travel farther than any other substance or particle in the universe. For more precise measurements, scientists use astronomical units. One AU is equal to the distance between the earth and the sun. For anything less, scientists usually use kilometers. For extremely large, interstellar distances, light years are very useful. You wouldn’t want to measure the distance between Earth and Proxima Centauri in kilometers or even AU. The lightyear gives a simple, relative measurement.
Parrots and Dogs are able to generate internal heat to maintain their body temperature in a coid environment. Parrots and Dogs are Endotherms. They generate most of the heat they need internally, when it's cold outside.
144 = x^2
Square root of 144 is 12, and therefore the lengths of the side of the game board are 12 inches
