Which numerical setup can be used to calculate the heat energy required to completely melt 100. grams of h2o(s) at 0°c?
1.(100. g)(334 j/g)

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

Who examines and coordinates the cleanup of polluted sites?

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.