Compared to an element of calcium-40 an atom of potassium-39 contains fewer

mention the spill to the teacher clean the area and throw the broken pieces away

explanation:

"the periodic table is arranged in order of atomic number."

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.