B
An inorganic mineral is not composed of anything that was once alive
Explanation:
Organic minerals made from life. They mainly make up the biosphere and examples are minerals in plants and animals. Even after the death and decomposition of the living organisms, the minerals from the decomposition are considered organic. Organism matter is mainly made up of carbon and hydrogen.
Inorganic material, on the hand, are not derived from life and include substances like metal elements and inorganic salts.
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An ecosystem is a level of organization that includes living and non-living things.
Observation is where you observe something and inference is the facts of information about the object
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.
26 chromosomes
A body cell from a frog has 26 chromosomes. 3. A sperm cell from a dog contains 39 chromosomes.