question 6 (4 points)
(01 01 mc)
farmers want to release a non - native insect in the fields that feeds on weeds. before they do this, they consult a team of scientists and ask them to conduct a study that will determine the insects effects on the farm land. what can you infer about why farmers need the information from this study?
a farmers do not know much about insects; they would need to consult a team of scientists to answer questions, such as where to get the insects, how to release them, and how to maintain control of the insect population after release
b it is important to do this study, so that farmers will understand all the positive and possible negative results of releasing this new insect into the area so that they can make a decision on whether or not the benefits are worth the risks
c it is illegal to release new insects into an area. the farmers understand that if the study is conducted and the insects cause unexpected problems, the scientists would be held responsible for any resulting fines or fees.
d the scientists will be able to tell the farmers if the insects will eat the weeds. before the farmers spend the money on this project, they want to be assured the results will meet their expectations.

question 7 (4 points)
(01 01 hc)
after researching the possible effects of music, elaine proposes that if people listen to faster - paced music, their pulse rates will increase more than if they listen to slower music. her mother quietly listens to classic rock at a high volume for 30 minutes, her younger brother listens to classical music while he sleeps at night, and her grandmother listens to two hours of rap at a medium volume. elaine records each persons pulse before and after listening to the music.
what can you infer is missing from elaines scientific investigation?
a a testable hypothesis naming independent and dependent variables
b an experiment that takes initial and final measurements
c controlled variables with only one varied independent variable
d experimental data that can be recorded and analyzed

question 8 (4 points)
(01 01 hc)
in a magazine advertisement, a manufacturer claims its laundry ball, which contains ceramic pellets, gets clothes clean by changing the ph of the water. the ad claims the product reduces wear on clothing, contaminants in the environment, and the cost of doing laundry. what should the advertisement include to give a consumer more confidence in this products claims?
a information about product testing in a study that includes a control group
b a lack of testimony from users who have used the product for several months
c pictures comparing loads of laundry cleaned with and without the product
d information about how the product benefits the environment

question 9 (4 points)
(01.01 hc)
isabella works for an environmental safety group. her group wants to answer the question to what lengths must we go to protect plants and animals? why is her groups research question flawed?
a they will never be able to determine a means of protecting plants and animals.
b the question is based on their bias as members of an environmental group.
c the study can only be based on observation with this question.
d they are trying to answer an ethical question, not a scientific one.

Question

question 6 (4 points)
(01 01 mc)
farmers want to release a non - native insect in the fields that feeds on weeds. before they do this, they consult a team of scientists and ask them to conduct a study that will determine the insects effects on the farm land. what can you infer about why farmers need the information from this study?
 a farmers do not know much about insects; they would need to consult a team of scientists to answer questions, such as where to get the insects, how to release them, and how to maintain control of the insect population after release
 b it is important to do this study, so that farmers will understand all the positive and possible negative results of releasing this new insect into the area so that they can make a decision on whether or not the benefits are worth the risks
 c it is illegal to release new insects into an area. the farmers understand that if the study is conducted and the insects cause unexpected problems, the scientists would be held responsible for any resulting fines or fees.
 d the scientists will be able to tell the farmers if the insects will eat the weeds. before the farmers spend the money on this project, they want to be assured the results will meet their expectations.

question 7 (4 points)
(01 01 hc)
after researching the possible effects of music, elaine proposes that if people listen to faster - paced music, their pulse rates will increase more than if they listen to slower music. her mother quietly listens to classic rock at a high volume for 30 minutes, her younger brother listens to classical music while he sleeps at night, and her grandmother listens to two hours of rap at a medium volume. elaine records each persons pulse before and after listening to the music.
what can you infer is missing from elaines scientific investigation?
 a a testable hypothesis naming independent and dependent variables
 b an experiment that takes initial and final measurements
 c controlled variables with only one varied independent variable
 d experimental data that can be recorded and analyzed

question 8 (4 points)
(01 01 hc)
in a magazine advertisement, a manufacturer claims its laundry ball, which contains ceramic pellets, gets clothes clean by changing the ph of the water. the ad claims the product reduces wear on clothing, contaminants in the environment, and the cost of doing laundry. what should the advertisement include to give a consumer more confidence in this products claims?
 a information about product testing in a study that includes a control group
 b a lack of testimony from users who have used the product for several months
 c pictures comparing loads of laundry cleaned with and without the product
 d information about how the product benefits the environment

question 9 (4 points)
(01.01 hc)
isabella works for an environmental safety group. her group wants to answer the question to what lengths must we go to protect plants and animals? why is her groups research question flawed?
 a they will never be able to determine a means of protecting plants and animals.
 b the question is based on their bias as members of an environmental group.
 c the study can only be based on observation with this question.
 d they are trying to answer an ethical question, not a scientific one.

Accepted Answer

### Question 6
# Brief Explanations:
Farmers need to know the positive and negative impacts of releasing the non - native insect to decide if benefits outweigh risks. A study helps with this decision - making.
# Answer:
b. It is important to do this study, so that farmers will understand all the positive and possible negative results of releasing this new insect into the area so that they can make a decision on whether or not the benefits are worth the risks

### Question 7
# Brief Explanations:
Elaina has multiple variables like music type, volume and duration changing at once. A proper experiment should have controlled variables with only one independent variable being varied.
# Answer:
c. Controlled variables with only one varied independent variable

### Question 8
# Brief Explanations:
Including information about product testing with a control group in a study provides scientific evidence for the product's claims, giving consumers more confidence.
# Answer:
a. Information about product testing in a study that includes a control group

### Question 9
# Brief Explanations:
The question "To what lengths must we go to protect plants and animals?" is an ethical question about values and moral obligations, not a scientific one that can be tested.
# Answer:
d. They are trying to answer an ethical question, not a scientific one

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