Answer:
This is antibiotic resistance. It occurs with over use of antibiotics.
When antibiotics are over used, likely targeted bacteria are being killed constantly even in absence of an infection. However, few bacteria may resist the antibiotics effects(selective pressure) , and therefore survived. If these resistant bacteria who were able to survive the selective pressure reproduce, they pass the resistant trait/ gene into their offspring.
Therefore with continuous exposure to antibiotics, they will resist the antibiotics effects(selective pressure),and thus reducing the effectiveness of antibiotic treatments with subsequent application.
Explanation:
Answer: there is no gravity and no type of life on the moon therefore basically making it a huge target.
Explanation:
The correct answer is hydrocephalus.
Hydrocephalus refers to the condition in which the accumulation of fluid takes place in the ventricles (cavities) deep inside the brain. The excess fluid enhances the size of the ventricles and applies pressure on the brain. The cerebrospinal fluid usually flows via the ventricles and bathes the spinal column and the brain.