a molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. this is a statement of .

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.

Why did the following change occur? the snow that covered the ground all winter began to melt tempatures rose and flowers started to bloom