What happens to the distance between waves (Wave lengths )
Please help me no links .

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

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?

What is the following best defines climate?