A species of frog slowly dies off because it cannot compete with the toads and lizards that share its ecosystem is an example of background extinction
Since it a metalloid it has metal and nonmetal properties while the rest of the group are all metals.
Answer:
(Feeling sad or miserable most of the time)When you're going through a tough time it's normal to feel down for a while, emotions like sadness and grief help make us human. But if you're feeling sad or miserable most of the time over a long period of time, you might have depression.
Explanation:
Family history. Though there are no specific genes that we can look at and trace to depression, if your family members have had depression, you are more likely also to experience depression. ...
Illness and health issues. ...
Medication, drugs, and alcohol. ...
Personality.