Out of the options, "Iron" is the most dense here.
In short, Your Answer would be Option D
Hope this helps!
Conventional volcanoes are known to erupt after pressure builds up from new magma flowing into the magma chambers that lie below the vents on the Earth's surface.
1 ionic, 2 covalent, 3 ionic, 4 ionic, 5 ionic 6ionic, 7 covalent, 8 covalent, 9 acid, 10 ionic, 11 ionic, 12 ionic, 13ionic, 14ionic
D he predicted 3(?) new element that we're later discovered
The Moon<span> moves </span>around<span> the </span>Earth in<span> an </span>approximately<span> circular </span>orbit<span>, going once </span>around<span> </span>in approximately<span> 27.3 </span><span>days. </span>The moon orbits quite fast: it moves about 0.5 degrees<span> per hour in the sky. So, its average movement in a day is around 13 degrees. 5 days x 13 degrees is approximately 65 degrees. </span>