Select the correct answer. As society has changed, what have most households become?
O A.
dual income
B. single income
OC.
controlled by women
D.
compromised of extended family caretakers

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

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.