Not sure sorry somone awnser this
Answer:
The function of the pleura is to allow optimal expansion and contraction of the lungs during breathing. The pleural fluid acts as a lubricant, allowing the parietal and visceral pleura to glide over each other friction free. This fluid is produced by the pleural layers themselves.
Answer: A) At your zenith
Explanation: Because Polaris, The "North Star", Is located alost directly over the Earth's North Pole. FUN FACT: This star was also used by sailors to navigate when maps could not be used
Answer:
The correct answer is- C. double or single-stranded DNA or double or single-stranded RNA.
Explanation:
All the viruses are intracellular parasites which means they obtain their nutrition from their host. Viruses do not have cellular level of organization. They only have their nucleic acid which is surrounded by a protein coat called a capsid.
The nucleic acid in viruses can be of different types. It can be single or double-stranded DNA or single or double-stranded RNA. Their genome can be linear or circular. They inject their genetic material in their host and introduce it in the host genome. Therefore the correct answer is C.
Scientific models must be able to generate PREDICTIONS.
Scientific models refers to frameworks, which are used to elucidate and predict the behavior of an object or a system. Scientists usually use models to carry out research and to explain the results of their research. A good and effective scientific model should be able to make accurate predictions.
