A small acting club has 7 members. Two of the members must be chosen to attend a popular musical. How many different groups of 2 members are possible?.

Which of these is not a function of shock absorbers?

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

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