7 Fig. 1.1 shows a side view of a large tank in a marthe visitor attraction.
sea-water
Viewing
panel
tank
Fig. 1.1 (not to scale)
The tank is 51 m long and 20 m wide. The sea-water in the tank is 11m deep and has a
density of 1030 kg/m5
(a) Calculate the mass of water in the tank.
ma55
[3]

What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

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