Biology, 26.09.2019 19:30 devenybates

20. lines on a map that run parallel to the equator are known as
a. lines of longitude.
b. the prime meridian.
c. lines of latitude.
d. cartography

18. the two subspecialties of astronomy are
a. paleontology and geochemistry.
b. astrophysics and planetary science.
c. climatology and atmospheric chemistry.
d. environmental earth science and environmental chemistry

13. weight is best described as
a. the interval between two events.
b. the amount of surface included within a set of boundaries.
c. the amount of matter in an object.
d. a measure of gravitational force on an object.

12. what statement best describes an independent variable?
a. the factor that's changed by the experimenter and impacts the constant in an experiment
b. the factor that isn't changed by the experimenter and is impacted by the dependent variable
c. the factor that doesn't change, but impacts the constant in an experiment
d. the factor that's changed by the experimenter and impacts the dependent variable

11. magma is classified as basaltic, andesitic, or rhyolitic based on what factor?
a. temperature of the magma
b. amount of silica it contains
c. amount of pressure placed on it during formation
d. region of the earth in which it formed

10. a/an bond allows metals to conduct electricity.
a. covalent
b. metallic
c. ionic
d. atomic

3. there are gps satellites orbiting the earth.
a. 10
b. 28
c. 42
d. 24

2. the is a factor that's affected by changes in the independent variable.
a. hypothesis
b. dependent variable
c. control
d. experiment

Answers: 2

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Answers

The answer to question 20 is C. Lines of latitude run parallel to the equator, appearing horizontal on a globe. The answer to question 18 is B - astronomy is a science that studies celestial bodies, and applies work from astrophysics and planetary science. Question 13's answer is D. Weight is the measure of gravitational force on an object and is measured in Newtons. The answer to question 12 is D. The independent variable is the variable the investigator changes to ascertain how this impacts on the dependant variable. The answer to question 11 is B. The classification of magma as basaltic, andesitic or rhyolitic depends on the percentage of silica it contains. The answer to question 10 is B. The particles in metal are held together by metallic bonds which involve closely packed ions and electrons that are free to move about and conduct electricity. The answer to question 3 is D. There are currently more than 24 GPS satellites in orbit, but this is the number that are operational most of the time. The answer to question 2 is B. The dependent variable is affected by the independent variable - it depends on the independent variable.

Answer from: Quest

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.

Answer from: Quest

Characteristic expected of mineral from lava at earth's surface

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

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20. lines on a map that run parallel to the equator are known as
a. lines of longitude.