Explain what can be considered science and how science is practiced

Science is our knowledge of the natural world and the process through which that knowledge is built. This body of knowledge consists of information gathered over thousands of years and is the result of observation, inquiry, rational thinking, and questioning. It has developed from group efforts and individual discoveries.

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

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answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation: