Answer:
A
Explanation:
This showed that at one point all continents were joined
<span>B. the complementarity of DNA and RNA
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<span>Sputum membranes tests are used to test the lungs, trachea and bronchial canals for pathogens that can have an adverse affect on the lungs. These pathogens can cause infections that can have serious effects on your breathing and all over health.</span>
<span>Answer is d. all of these.
Anxiolytic/hypnotic drugs are medicines or depressants that used to relieve anxiety, and aid sleep. The benzodiazepines are the best known class of drugs to this category. Benzodiazepine causes sedation but it rarely interfere with person’s breathing or death. Even though benzodiazepine can treat anxiety symptoms, they can be extremely dangerous. <span>They can cause side effects, become addictive, and even cause fatal withdrawal symptoms for some users.</span></span>