Which substance do you predict will dissolve in water? Option 1) Cu(s)
Option 2)MgO
Option 3) SiO2
Option 4) C20H42

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

The grooves or folds of the brain are called

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?