Would carbon or uranium be more useful when dating an object that is several million years old?

A minerals__ is the appearance of its powder after the mineral has been dragged across a porcelain plate A) color B) luster C) streak D) contrast

In the first controlled memory experiment, what memory measure did Hermann Ebbinghaus use to measure his own forgetting?

When listing the levels of organization in organisms from smallest to most complex, which level is just below organs in complexity? cell organism organ system tissue

Gender, the sense of being male or female, is well-established by the time children are

If an enzyme is added to a chemical reaction, it will do what? A. raise the activation energy so the reaction rate will increase B. lower the activation energy so the reaction rate will decrease C.

Which type of fault-monitoring device is most like a carpenter's level? a. tiltmeter b. laser-ranging device c. creep meter d. satellite

The crystals that form in slowly cooling magma are

In the spring of 2010, there was a catastrophic explosion on an ocean oil drilling rig, causing millions of gallons of oil to be released into the Gulf of Mexico. Many organisms died due to the thick sludge in their habitat.

In what ways are invasive species succesful in their non-native environment

Which of the following stresses would most likely cause an ecosystem to respond by succession? A. wildfire B. air pollution C. water pollution D. urbanization