This question seems to be very basic .the ocean is above the plate, the plate material is heavier than water (it being rock). That's pretty much all of it. The plates grind a little and new land pushes up at plate boundaries but this does not seem to be related. The heavier material is below and the lighter above, those being rock and water respectively.
hope this helped u
Answer:
Barium and sulpher are the elements that forms barium sulphide .
And its molecular fomula is BaS.
Explanation:
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Answer:
recording the wavelength of light
Explanation:
When an appropriate measure of energy say in the form of light of a certain wavelength, is supplied, electrons have a tendency to absorb the energy and get excited to a higher energy level. Conversely, if an electron is already at a higher energy state it will emit energy in the form of light (or heat) and return to a more stable lower energy state.
Answer:
The greenhouse effect is a phenomenon that occurs when the incoming Solar radiation, which is partially absorbed and partially reflected from the Earth's surface, is then absorbed and re-emitted by the molecules of gas in the atmosphere, causing an increase in the Earth's temperature.
More specifically, the phenomenon occurs as follows:
- The Sun emits electromagnetic radiation in the entire spectrum - therefore, all wavelengths. However, the peak of its radiation is in the visible part of the spectrum, specifically around the yellow color (around 500-600 nm)
- The radiation from the Sun reaches the Earth and passes through the atmosphere, reaching the Earth's surface
- Part of this radiation is absorbed by the surface, while part is re-emitted. However, the radiation is re-emitted at a longer wavelength, in the infrared part of the spectrum (700 - 1000 nm)
- As a result, when this infrared radiation reaches the atmosphere, it is absorbed by the molecules of some gases, which therefore absorbs this radiation and re-emit is in every direction (also towards the surface)
As a result of this radiation emitted by these gases, the Earth's temperature increases.
