Write a story from the perspective of a molecule of water and its neighboring water molecules as it moves through the phase changes. Here some words you should use: Vaporization - Melting – Solid – Liquid - Gas – Heat - Average kinetic energy - Temperature

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

What is responsible for the uneven heating between the poles and the equator on any given day