Which of the following makes up a molecule of water?

one atom of sodium and one atom of chlorine
one atom of hydrogen and two atoms of oxygen
one atom of hydrogen and one atom of oxygen
two atoms of hydrogen and one atom of oxygen

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment. svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment. svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment. svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.