What time of year is it most effective to broadcast tornado safety public safety announcements?
spring
fall
summer
winter

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 chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.