Answer:
Leo is suffering from a condition known as <u><em>obsessive-compulsive disorder</em></u>.
Explanation:
The obsessive-compulsive disorder refers to an anxiety problem characterized by intrusive, recurrent and persistent thoughts that might produce worry, concern, and repetitive actions or behavior, known as <u>compulsions</u>. These compulsions are directed to reduce the associated <u>anxiety</u> and to avoid that something bad occurs.
A pattern of thoughts and irrational fears -<u>obsessions</u>- that make the patient behave with repetitive actions -<u>compulsions</u>-, characterize this disorder.
These obsessions and compulsions interfere in daily activities and are the cause of anxiety and distress.
This disorder is expressed by different symptoms, such as obsessive cleaning, washing, ordering, accumulating, among others. The exposed example is the case of a verifying person who needs to verify everything to avoid a catastrophe. They need to check that doors are closed, or electro domestics are in their off mode.
Answer: Availability of water
Explanation:
When a person is travelling from a forest ecosystem towards grassland ecosystem the number of trees gets reduced in number.
The trees are replaced by prairie grasses. This change is because of less water availability in the area having grass.
The amount of precipitation decides the type of vegetation found in that area.So the area having trees would be having more precipitation as compared to the area having prairie grass.
Yes but no? The genetic variation on which natural selection acts may occur randomly, but natural selection itself is not random at all. ... The survival and reproductive success of an individual is directly related to the ways its inherited traits function in the context of its local environment.
Answer:it causes when liquid or oil gets warm and rises.
When sun heats the gases it causes them to rise.
Explanation:
Water, Air (wind), Heat, Ice, Cold, Fire etc...