Biology, 01.04.2020 21:50 arianaguerin
Nitrogen gas is more abundant in our atmosphere than oxygen! However, nitrogen needs to be converted into different forms to be used by many organisms. Bacteria are highly involved in this. Describe the role of A bacteria fixing nitrogen and they live symbiotically with some plant species, B nitrifying bacteria, and C denitrifying bacteria in the nitrogen cycle.
Answers: 1
Biology, 22.06.2019 03:50, yugbug44owwc7w
Why was mendel's work not accepted at the time? o a. his results were false. o b. he did not repeat his experiments. o c. he did not have any data. o d. his results were surprising,
Answers: 2
Biology, 22.06.2019 06:00, svaskeacevilles5477
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
Biology, 22.06.2019 06:40, ethanmel21
The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3
Answers: 3
Biology, 22.06.2019 06:50, dukkchild666
How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes
Answers: 2
Nitrogen gas is more abundant in our atmosphere than oxygen! However, nitrogen needs to be converted...
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