Because the moon orbits the earth and when the moon gets in front of the sun it blocks the sunlight and then it becomes night
Answer:
A. Water in the blue currents is colder, saltier, and denser than water
in the red currents.
Explanation:
a p e x
The number of moles hydrogen produced when 6 moles of sodium are used is calculated as below
2Na + 2H2O = 2NaOH +H2
by use of mole ratio between Na to H2 which is 2:1 the moles of H2 is therefore
= 6 x1/2 = 3 moles of H2
A. The atom has 3 protons, 3 electrons, and 4 neutrons.