![Biology](/tpl/images/cats/biologiya.png)
A student is instructed to record the odor of a substance after heating it in a test tube. Which is the
correct safety procedure for the student to follow?
A Wave the fumes from the test tube toward the nose with a hand and inhale
B. Tilt the test tube toward the nose and inhale
C. Place the test tube directly under the nose and inhale
D. Cup hands over the test tube and inhale
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:00, anthonyjackson12aj
Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls
Answers: 1
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:50, kailahgranger
In each transformation of energy , some energy what?
Answers: 1
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:10, kaciebrin211
Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.
Answers: 1
Do you know the correct answer?
A student is instructed to record the odor of a substance after heating it in a test tube. Which is...
Questions in other subjects:
![Konu](/tpl/images/cats/fizika.png)
Physics, 25.06.2019 15:30
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 25.06.2019 15:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 15:30
![Konu](/tpl/images/cats/istoriya.png)
History, 25.06.2019 15:30
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 15:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 25.06.2019 15:30