Biology, 03.05.2021 20:20 ericlawton
Which of the following is a negative effect of using fertilizers in agriculture?
1. run-off of excess fertilizers into rivers
2. higher crop yields
3. lower crop yield
4. faster growth period for crops
Answers: 3
Biology, 22.06.2019 00:30
Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen
Answers: 2
Biology, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
Biology, 23.06.2019 01:00
What two atoms form a covalent bond a.a sodium and chlorine atom b. an iron and oxygen atom c. two oxygen atoms d. two sodium atoms apex
Answers: 3
Biology, 23.06.2019 01:30
What type of homeostasis is maintaining the temperature of an organism within a tight range
Answers: 2
Which of the following is a negative effect of using fertilizers in agriculture?
1. run-off of exc...
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