Answer is A. The regions colored Brown
Answer:
c. the circadian rhythm
Explanation:
Circadian rhythms can be defined as physical, behavioral and mental changes that follow a daily cycle. Circadian rhythms primarily respond to light and darkness in an the environment of an organism.
Being awake during the day and sleeping at night is an example of a light-related circadian rhythm. Circadian rhythms are mostly found in living things, this includes animals, plants, and many tiny microbes.
Chronobiology is the study of Circadian rhythms.
The feeling of energy during the day and having a tired feeling at night is an example of Circadian rhythms.
Answer:
Biden was just 29 years old when he won U.S Senate.
Joe Biden had a family tragedy in December.
He takes the train everyday because he was in a car accident that killed his daughter and wife.
He remarried in 1977
Explanation:
1. Tastier food.
2. Increased supply of food with reduced cost and longer shelf life.
