If both independent and dependent variables can change in an experiment, what is the difference
between them?
A) A dependent variable is the variable a scientist chooses to change.
B) An independent variable is the variable a scientist chooses to change.
C) An independent variable changes depending on the constants used in the experiment.
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Answers: 3
SAT, 26.06.2019 05:30, julk89
An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.
Answers: 1
SAT, 28.06.2019 09:30, anacecilianr2325
Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.
Answers: 1
SAT, 29.06.2019 03:30, spellsaltoniza
Aschool cafeteria has 40 tables. 35% of the tables have 8 chairs at each table. the remaining 65% of the tables have 6 chairs at each table. complete the model. then complete the statements to find the total number of chairs in the cafeteria.
Answers: 1
If both independent and dependent variables can change in an experiment, what is the difference
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