Answer:
The mass number is 56
Explanation:
You just add the number of protons and neutrons to find the mass number of a atom.
Answer:
Large Vacuole
Explanation:
Plants cells have large vacuoles to store water
Answer:
We only know it's there because we can see the effect of its gravity. Scientists study dark matter by looking at the effects it has on visible objects. Scientists believe that dark matter may account for the unexplained motions of stars within galaxies. Computers play an important role in the search for dark matter information.
Explanation:
Hope That helps!
The answer is A: '<span>underwater landslides </span>'. Underwater landslides would cause a wave, rather than a current. Ocean waves are caused by energy passing through water. An ocean current on the other hand is a mass of water moving in a definite direction through another mass of water. This movement is driven by forces that could be derived from surface winds, tidal fluctuations and seawater density contrasts.
I don't know what the picture is but I had a question like this on my packet and I saw a <span>sugar with two, and not three, oxygen atoms</span>