What are the reactants in a neutralization reaction?

a.
two elements
b.
an acid and a base
c.
an element and a compound
d.
a salt and water

Can someone me with 1 to 4 plz. fast

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.