I believe the universe is 13.8 billion years old. Possibly longer, or possibly shorter. Correct me if I'm wrong.
Answer:
i think its A
Evaporation uses energy, and this heat energy is taken from the body.
Answer:
D. Bacteria reproduce through the lytic cycle. Viruses reproduce through the lysogenic cycle.
Explanation:
Answer:
The suprachiasmatic nuclei enable the nervous system to respond to daily light/dark alterations through their stimulation of melatonin.
Explanation:
Melatonin is a hormone produced naturally by the body. Its function is to regulate the body's circadian cycle. This hormone is stimulated and begins to act by changing between a light environment and a dark environment. This stimulation interacts with the suprachiasmatic nuclei making the nervous system understand this change and luminosity of the environment and respond to the action of melatonin.
20C is 68 degrees Fahrenheit
