Answer: Option D) Norepinephrine
Explanation:
Norepinephrine, also known as noradrenaline acts as both a hormone and neurotransmitter.
Its effects is similar to epinephrine, in that during stress conditions epinephrine stimulates the heart to beat and pump blood faster, while norepinephrine helps to maintain blood pressure, causing the narrowing of the blood vessels, known as vasoconstriction.
Answer:
Voyager 1 is the farthest human-made object from Earth, NASA launched it on September 5, 1977, and as of October 2019, it had traveled 13.7 billion miles from the planet. Voyager 1 is believed to have left the solar system in 2012 and is set to encounter its target star AC +79 3888 in about 40,000 years.
Explanation:
hope this helps
Answer:
Revolution of earth around the sun
Explanation:
Answer:
they are not affected by earth atmosphere
<span>Cirrus. Detached clouds in the form of white, delicate filaments, mostly white patches or narrow bands. They may have a fibrous (hair-like) and/or silky sheen appearance. Cirrus clouds are always composed of ice crystals, and their transparent character depends upon the degree of separation of the crystals.</span>
