Answer:
Option (2), (3) and (4).
Explanation:
Charophytes are the group of some green algae of fresh water. The cahrophyta can be included in both the division and super division. Embryophyta has been emerged from the charophyta.
A student confirm whether the algae is charophyte or not by looking at the specific features. The cahrophytes has well defined sexual characters and the structure of sperm cell, the presence of phragmoplast confirms the charophytes. The cellulose synthesizing ring complex is also present in charophytes.
Thus, the correct answer is option (2), (3) and (4).
Answer:
D but I'm not completely sure
The liquid needed for oxygen humidifier would be sterile water.
When administering a high dose of oxygen(>6lpm) it is important to use a humidifier so the air that enters the lungs is humid enough so it won't dry the airway. Sterile water is best because there is a chance that bacteria from water will enter the airway. Impurities in water are not harmful to the body but it might damage the machine, so distilled water would be best.
I cant help you with that
Answer:
Warm air rises, produces an area of <u>low</u> pressure
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