(A) Which parts of an atom contribute most to its mass? protons

electrons

protons and neutrons
е

neutrons and electrons

Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

It is believed that europa, one of jupiter’s moons has an ocean beneath its surface. based on how earth’s oceans and atmosphere are believed to have formed, what can be said about europa’s supposed ocean? 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 .

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis