The answer to this is C. Industry. It's the only man made factor.
Nucleus; Prokaryotic Cells do not have a nucleus, whereas Eukaryotic cells do
A carbon atom has 4 valence electrons
Answer:
A feedback loop is a biological occurrence where the output of a system amplifies the system (positive feedback) or inhibits the system (negative feedback).
Explanation:
Example, during blood clotting, a cascade of enzymic proteins acitvates each other, leading to the formation of fibrin clot that prevents further blood loss.
Answer:
cognitive
Explanation:
The symptoms of depression are characterized into three broad groups
1. Cognitive – The common symptoms observed include constant negative thoughts, pessimism, feeling guilty for all bad happenings around them, thinking of ending their life
2. Behavioral – These include behavioral changes occurring in a person facing depression such as poor hygiene, inefficiency in work, constant crying, anti-social thoughts and behaviour and low energy
3. Emotional – Under this head a person feel sad, lonely, worthless and hopeless.