Law of conservation of mass states that overall mass can neither be created nor destroyed. It means, that mass in left hand side & right hand side of the reaction would always remains constant
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If the producer were to disappear then all the other organisms will either go extinct, survival of the fittest, or have to adapt to the change.
Antidepressant medication tends to increase the concentration of central serotonin in the brain.
Antidepressants medications are drugs that are used to relieve symptoms of depression, anxiety disorders and other conditions. The concentration of central serotonin (a neurochemical) in the brain is increased to a dangerous level when antidepressant medications such as serotonin and norepinephrine reuptake inhibitors (SNRIs) or selective serotonin reuptake inhibitors (SSRIs) is used together with another antidepressant that also influences serotonin levels in the brain.
Answer:
D. The first object is not-matter, and the second object is matter.
Explanation:
The first object is gravity, this force pulls things toward the ground. The second object is something I don't know, but it is matter.
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