Answer:
In the scientific method, observations lead to questions that require answers. In the scientific method, the hypothesis is a testable statement proposed to answer a question. In the scientific method, experiments (often with controls and variables) are devised to test hypotheses.
Answer:
It pumps up your endorphins. Physical activity may help bump up the production of your brain's feel-good neurotransmitters, called endorphins.
Explanation:
Answer:
Null: This year flu shots effectiveness is no good than that of used last year and before...
Alternative: This year flu shots effectiveness is better as compared to those of used last year and before...
This hypothesis is directional due to the congruence wit all the facts in a chronological order and so...
Type I Error: Rejection of true null hypothesis
Type II Error: Non-Rejection of of a false null hypothesis
Answer:
The statement is true, since antimicrobial resistance refers to the resistance developed —through mutation— by a bacterium to antibiotics, which adapt and grow in spite of the existence of the drug.
Explanation:
Antimicrobial resistance is due to the ability developed by some organisms —especially bacteria— to be unaffected by the presence of an antibiotic, intended to prevent their development and growth.
<u>When a bacterium is exposed to an antibiotic, its organism develops -through successive mutations- mechanisms to prevent the action of the drug</u>, a characteristic that will be transmitted to its descendants. Antimicrobial resistance serves as an example for evolution by natural selection, since resistant bacteria survive and those that have not mutated do not.
