B, circulatory and respiratory
Answer:
I feel like its homeostatis as thats maintaining not having....cells are in every organims, obtaining/using energy is essential in growth, respiration and nutrition and movement is neccesary. Look over MRS.GREN again
<span>There's no options provided, but I know the answer. Check it out: Gel electrophoresis separates dna for profiling based on its size. To define the size, scientists use special markers which light the strands. Shorter strands of DNA move quicker than longer ones.</span>
Answer:
Peripheral vasoconstriction limits heat loss. Shivering, physical activity, or both increase heat production.
Explanation:
Shivering or Physical Activity.
Answer:
Sonar, short for Sound Navigation and Ranging, is useful for investigating and planning the sea since sound waves travel farther in the water than do radar and light waves
Explanation: