They're the only vein that carries oygenated blood
Answer:
A
Explanation:
The climate of a region is determined through the observation of weather patterns over a long time- usually at least 15 years- in a region. Studying climate change would therefore also take very long time as meteorologists attempt to perceive changes in these weather patterns. In this case 30 years can be enough to notice a significant increase in rainfall patterns which can be classified as climate change.
Answer:
Adrenaline
Explanation:
The is the burst of energy caused by enzymes that send messages to the brain.Thus,resulting in Flight or Fight mechanism.
