Which of the following processes do not depend on spontaneous radioactive
decay?
Check all that apply.
A. the energy production in nuclear reactors
B. using carbon-14 to determine fossil ages
C. the energy production of the sun
D. radium paint that makes watch dials glow in the dark
E. the process of bone-scan imaging
Answers: 1
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All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time
Answers: 1
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1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area
Answers: 2
Biology, 22.06.2019 04:30
The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05
Answers: 1
Biology, 22.06.2019 10:00
Which of the following human activities resulted in the growth of the north american deer population?
Answers: 1
Which of the following processes do not depend on spontaneous radioactive
decay?
Check all t...
Check all t...
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