subject
Biology, 10.01.2020 02:31 kimhayleeshook50

In an experiment, tony placed a potted plant under a bell jar, completely sealing the jar to the table top. after placing a box over the bell jar for 24 hours, he measured the concentrations of oxygen and carbon dioxide in the gas in the jar. which statement best describes the measurements he would find in the jar, compared with the concentrations of oxygen and carbon dioxide in the classroom air?

a. oxygen concentration increased, carbon dioxide concentration decreased.
b. dioxide concentration increased; oxygen concentration decreased.
c. concentrations of both carbon dioxide and oxygen decreased.
d. concentrations of both carbon dioxide and oxygen increased.

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 13:00
Ashort, vertical, solid, or fleshy stem possessed by gladiolus and which is used in reproduction is termed a
Answers: 1
question
Biology, 22.06.2019 04:30
The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an
Answers: 2
question
Biology, 22.06.2019 05:30
2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.
Answers: 2
question
Biology, 22.06.2019 06:00
When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?
Answers: 1
You know the right answer?
In an experiment, tony placed a potted plant under a bell jar, completely sealing the jar to the tab...
Questions
question
Mathematics, 18.07.2019 09:00
question
Mathematics, 18.07.2019 09:00
Questions on the website: 13722363