Given that the relative atomic mass of Calcium (Ca) is 40 amu, which of the following statements is CORREct A. A Ca atom is 40 times as heavy as a carbon-12 atom. B. A Ca atom is 40 times as light as a carbon-12 atom.
C. A Ca atom is 3.33 times as heavy as a carbon-12 atom. D. A Ca atom is 3.33 times as light as a carbon-12 atom

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic