Questions and answers by

hanjisung

Questions (20)

What is the function of the cell membrane
1. 1 answer
2. 14 views
which two body systems work together to regulate body temp
1. 1 answer
2. 14 views
Identify which of the statements below represents how the respritory system interacts with the circulatory system.A: the
1. 1 answer
2. 14 views
What distinguishes viruses from cells in terms of their ability to grow and developA: Cells grow and develop independently,
1. 1 answer
2. 14 views
What conclusion can you draw about a country on the basis of its GDPA: How many goods and services it produces in a year B:How
1. 3 answers
2. 11 views
why is cell theory considered a scientific theory in biology?A It deals with topics that may or may not be testable in a lab B
1. 1 answer
2. 19 views
In astronomy, the theory of general relativity, proposed by Albert Einstein, has a significant explanatory power. this
1. 1 answer
2. 19 views
A researcher studying the effects of a new fertilizer on crop yield concludes that the fertilizer is a significant improvement
1. 1 answer
2. 20 views
A group of high school students conducted a scientific investigation in their biology class to study the effect of different
1. 1 answer
2. 17 views
According to the Associative Property, Which expression is equivalent to 30m+(21m-53)+(18-2m)A:(49m-53)+16 B:53m-35
1. 1 answer
2. 59 views
Use the associative property to determine which expressions are equivalentA: -3*(4x*-2)*-6y=(-3*4x)*-2*-6y B:
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2. 25 views
Which of the following correctly demonstrates the Associative Property of Addition?A:y-(x+1)=(y-x)+1 B:(x+y)+z+r=x+(y+z)+r
1. 1 answer
2. 16 views
Which of the following could you rewrite using Associative property?A: (9*5)*(8*3) B: (5*8)+3 C: (9*5)+8+3 D: (5+8)*3
1. 1 answer
2. 38 views
Use the associative property to simplify the expression 3x+(x+2)
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2. 8 views
Which statement best describes a scientific theory?A: A prediction that has not been tested B: A summary of opinions about
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2. 16 views
What is a scientific theory?A: a guess about something that might work B: an untested idea about a natural phenomena C: a
1. 1 answer
2. 16 views
What is the goal of a theory?A: to analyze data from an experiment B: to explain natural and physical phenomena C: to control
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2. 19 views
why is evolution called a scientific theory?A: It deals with topics that are completely testable in the lab B: Many scientists
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2. 18 views
Why is evolution called a scientific theory
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2. 18 views
Which of the following is true about theories?A: They are formulated after several repeated investigations produce the same or
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2. 27 views