The correct answer is d
Hope this help
The serotonin is a chemical neurotransmitter in the brain responses to keep the "happy mood" in humans, so-called, the "the molecule of happiness". Low levels of serotonin may produce serious problems like depression, anxiety, memory low-self esteem, irritation and so on. When a lover has a low serotonin level in his brain, his mood and general behavior can be affected in great ways. Young people may not be aware of the great-negative consequences of the decreased levels of serotonin and a treatment should be carry out. Depression and anxiety can lead to terrible outcomes in someone's life.
She rarely left the house and never let anyones inside.
Answer:
c. birds have unique features
Explanation:
the paragraph is talking about the features of the bird like its ability to fly and how light its bones are
Answer:
b. hurricanes are one type of storms
Explanation:
the paragraph clearly states and describes the features of a hurricane and how its formed while being an example of a storm
Answer:
b. there are many types of exercise
Explanation: the paragraph states different types of exercises e.g sports
One fraction that is equal to 4/7 is 8/14 because you are just multiplying by 2 to top to bottom so yeah there is the answer..