B. It measures <span>changes in the variable that is being controlled
</span>The receptor senses environmental stimuli, sending the information to the integrating center.
14. The Aurora is an incredible light show caused by collisions between electrically charged particles released from the sun that enter the earth's atmosphere and collide with gases such as oxygen and nitrogen. The lights are seen around the magnetic poles of the northern and southern hemispheres.
15.
About 5.4 billion years from now, the sun will have exhausted all of its hydrogen. The sun's core will get really hot and dense, thus shrinking; however, the outer region of the sun will expand and grow. ... Even if the expanding dying sun doesn't reach Earth, the sun's high temperatures will completely burn the planet.
Answer:
if i could, i would draw one....What is your email??
Explanation:
Cuz its slow for like to power the tv with water it will take about 2 days to turn on