How did airplane use change as World War I progressed? Military forces became dependent exclusively on airplanes for fighting battles. Airplanes became involved in active battle. Fewer civilians took airplanes because of German threats. Airplane use declined, as there were insufficient materials to build new planes.

Summarize the work of famous environmental scientists of the past.

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers

When creating visuals, a journalist should