Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the stack, or chimney effect.
Answer:
The gametophyte generation is longest and largest phase
Explanation:
Bryophytes evolved from the algae group of the plants which were aquatic environment. The Chara algae which grow in the tidal region evolved to form the first plants which could grow in both water and land called bryophytes.
The bryophytes although obtained nutrition from the terrestrial environment but their gametophytic stage was dependent on the water for the fertilization.
The gametophyte which produces the gametes were larger and independent as compared to the sporophyte which was small. The gametophytes formed the dominant phase of the life cycle of the bryophytes.
Thus, The gametophyte generation is longest and largest phase is correct.
In the form of DNA.........
1. With respect to oxygen requirements, an <u>aerobe </u>can use gaseous oxygen and possesses enzymes to process toxic oxygen products.
<h3>
What are enzymes?</h3>
Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a component of all life. Enzymes are created by our bodies spontaneously.
2. Expanding on this classification, an <u>obligate </u>aerobe cannot grow without oxygen.
3. Still other organisms, called<u> facultative anaerobes</u>, metabolize by aerobic respiration but can adapt to anaerobic environments.
A facultative anaerobic organism is one that can switch from aerobic respiration to fermentation in the presence of oxygen to produce ATP.
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Research suggests schizophrenia may be caused by a change in the level of 2 neurotransmitters: dopamine and serotonin. Some studies indicate an imbalance between the 2 may be the basis of the problem. Others have found a change in the body's sensitivity to the neurotransmitters is part of the cause of schizophrenia.
