Answer:
a.
Explanation:
The air moves faster across the top of the surface and exerts less pressure on the air below and thus due to difference in air pressure the top roof is lifted.
hence the correct option is pressure underneath them is reduced.
Answer:
because it gives a complete thought
The current applied is 90A.
The formula used is I =Q/t.
what is ECT(electroconvulsive therapy) ?
A treatment called electroconvulsive therapy (ECT) is used to treat some psychiatric problems. It includes administering a precisely timed electric current to the brain in order to influence brain function, which is intended to alleviate severe depressed and psychotic symptoms.
Modern day ECT is safe and effective . ECT is an invasive operation that can result in some memory issues, therefore it should only be used when absolutely required. It can relieve symptoms of the most severe forms of depression more successfully than medication or therapy.
what is charge and current ?
Electrons are particles that carry electrical energy from a cell through conducting wires as an electric current. Electrons are negatively charged particles. Charge is measured in coulombs, C. 1.6 x 10-19 C is the charge of an electron.
Charged particle flow is what makes up an electric current.
To know more about charge and current :
brainly.com/question/23063355
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Answer:
Radio telescopes .
Explanation:
They have a modest size that can't make out as much detail (have a lower resolution) than visible light telescopes
