Biology, 19.11.2019 05:31 CyanideFaux
How does the valve on the cooler compare with the switch in an electric circuit? opening the valve allows water to flow, just like opening a switch allows charges to flow. opening the valve stops the flow of water, but closing a switch stops the flow of charges. closing the valve stops the flow of water, but opening a switch stops the flow of charges. closing the valve allows water to flow, just like closing a switch allows charges to flow.
Answers: 1
Biology, 21.06.2019 18:30
Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine
Answers: 3
Biology, 22.06.2019 04:00
Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.
Answers: 2
Biology, 22.06.2019 07:30
The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
Answers: 1
How does the valve on the cooler compare with the switch in an electric circuit? opening the valve...
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