What is the atomic mass of gallium which occurs as 60% gallium and 40% gallium-71? Need to show work

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?