Which best describes what happens to the atoms in a chemical reaction? they are rearranged
many of them disappear
all of them form stronger bonds
all of them remain unchanged

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?

Where can you find prokaryotic and eukaryotic cells?

Abnormal softening of a gland is known as