Does the sentence "The results of a series of tests on hickory by the U.S. Forest Service show that:" provide a valid answer to the question "What organization tested hickory to find out about its properties?"

A: yes

Does the sentence "Oxidation of hydrogen removes its electron and gives H+, which contains no electrons and a nucleus which is usually composed of one proton." provide a valid answer to the question "When hydrogen oxidates, what is it removing?"

A: yes

Does the sentence "One way of proving that a given disease is "infectious", is to satisfy Koch's postulates (first proposed by Robert Koch), which demands that the infectious agent be identified only in patients and not in healthy controls, and that patients who contract the agent also develop the disease." provide a valid answer to the question "What must an infectious agent only be identified in to satisfy the first of Koch's postulates?"

A: yes

Does the sentence "In the simplest case, a single connection is established to an upstream ISP and is used to transmit data to or from areas of the Internet beyond the home network; this mode of interconnection is often cascaded multiple times until reaching a tier 1 carrier." provide a valid answer to the question "What provides bandwidth for the connecting of hosting ISPs and access ISPs?"

A:
no