Nitrogen Fixation. It's the process by which atmospheric nitrogen is converted either by a natural or an industrial means to form of nitrogen such as ammonia.
The answer is B
Germination is when a seed starts to grow after a period of dormancy
Answer:
C. Thigmotropism
Explanation:
Thigmotropism is the turning or bending of a plant or other organism in response to a touch stimulus. Answer choice A can be eliminated because its root "hydro" can give us a hint that it is related to water. Answer choice B implies that it will have something to do with gravity, due to the root "geo." Answer choice D can be eliminated because its root "photo" tells us it will be involved with light.
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Answer:
Stage REM Sleep
Explanation:
According to the AASM (American Association for Sleep Medicine), the sleep has five stages. The first is the stage of wakefulness when you are starting to feel drowsy. Then the stage N1 is the transition into sleep: the breath becomes shallow, and the body doesn't move or just a little. In stage N2 the physiological function of the body start to decrease and is more difficult to wake up than the stage before. The next stage is the N3, which is the stage when is more difficult to wake up from all stages because is the deepest sleep, and in this stage, the movement of the eyes stops. The last stage is REM,(rapid eye movements), in this stage the brain is more active but the body is paralyzed.
Answer:
A burning candle is extinguished when it is covered with a jar.
Explanation:
the candle extinguishes because there is no oxygen in the empty jar
the candle burns longer in a jar with a plant because thye plant gives out o2 and o2 is a supporter of combustion.
the plant also lives longer because the candle gives out co2 after combustion which the plant uses co2 for photosynthesis.
