The United States has which type of economic system?
Mixed economy
Traditional economy
Market economy
Command economy

Why do you think electric energy for households is generally supplied by power plants instead of by an electric generator at home.

Which food would provide you with the most calcium?

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