Answer:
D) most phosphorus in the environment is bound to carbon, nitrogen and hydrogen
Mean # of stomata per. grid is 4.5.
Mean number of stomata per 1mm^2 is 45000.
I'm sorry please I don't know the last one
Given: Drug medications are often prescribed on the basis of body mass. the adult dosages of elixophylin, a drug used to treat asthma, is 6mg/kg of body mass.
To find: The dosage amount for a person weighing 160 lb.
Method: Unitary method of proportions
Solution:
First we'll convert the weight of person from imperial unit to metric unit.
1 pound = 0.45 kilograms
160 pounds = 0.45 x 160 = 72 kg
∴ The weight of person in kilograms is 72 kg.
Now, a elixophylin dosage of 6 mg is administered to 1 kg body mass.
For 72 kg body mass, dosage will be,
= 432 mg
∴ The person of 160 lb body weight will receive 432 mg of elixophylin dosage.
It is highly basic with low hydrogen ion concetration
Eukaryotic cells are usually larger and more complex than prokaryotic cells, making your answer to this question D.
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