Why nitrogen-fixing bacteria are important? Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants). More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle. Why can’t plants fix nitrogen? Earth’s atmosphere contains a huge pool […]
What is the best metal to conduct electricity?
What is the best metal to conduct electricity? Silver Is vegetable oil good or bad conductor? Vegetable oil is a poor conductor of electricity. It does not conduct electricity. Vegetable oil are not necessarily “good” conductors of electricity but yes they will conduct electricity. Most things conduct electricity at some level, they may have high […]
What is topic sentence in English?
What is topic sentence in English? In expository writing, a topic sentence is a sentence that summarizes the main idea of a paragraph. It is usually the first sentence in a paragraph. Also known as a focus sentence, it encapsulates or organizes an entire paragraph. What are the types of topic sentence? Type of Topic […]
What is the volume of a mineral sample?
What causes copper to form?
What causes copper to form? Most nonrecycled supplies come from porphyry copper deposits (PCDs), which form when hot, metal-bearing fluids percolate up through Earth’s crust. These fluids bubble up through the crust and collect in pores in the rock, where they sit, waiting for the final step that will allow them to form copper minerals. […]
What is coefficient of rolling resistance?
What is coefficient of rolling resistance? The coefficient of rolling friction or resistance is the indication of how great the rolling resistance is for a given normal force between the wheel and the surface upon which it is rolling. Because of the various factors, the coefficient of rolling friction is usually determined experimentally. How do […]
Which resistor will prevent the most current flow?
Which resistor will prevent the most current flow? Which resistor will prevent the most current flow The correct answer is 1000 | Course Hero. You can ask ! What is the resistance between terminals A and B? Hence the resistance across the terminals A and B is 5 ohms. So the correct answer is option […]
What is the significance of aphelion and perihelion?
What is the significance of aphelion and perihelion? Aphelion is the point of the Earth’s orbit that is farthest away from the Sun. Perihelion is the point of the Earth’s orbit that is nearest to the Sun. What is the significance of the Tropic of Cancer quizlet? What is the significance of the Tropic of […]
Why does my motorcycle helmet hurt my head?
What time of day is oxygen highest?
What time of day is oxygen highest? Even though there is an increase in carbon dioxide through the daytime on your block, oxygen is much more present at the beginning of the day. Is it normal for oxygen levels to fluctuate? It’s normal for oxygen saturation levels to fluctuate with activity. If your oxygen saturation […]