The answer is A. Dew point is the temperature at which air will turn into water vapor, a state between gas and liquid. If the temperature is further cooled down to lower than the dew point, water will condense, in other words, the gas state of air will turn into liquid state of water.
Firstly light is an external stimuli. in plants - shoots are positively phototrophic while roots are negatively phototrophic.
Answer:
1.6896 grams
Explanation:
Given that:
Total pressure = The pressure of 
+ partial pressure of 
∴
The pressure of = Total pressure - partial pressure of
= (754.8 - 17.55) mmHg
= 737.25 mmHg
At standard conditions:
1 mmHg = 0.00131579 atm
∴
737.25 mmHg will be: (737.25*0.00131579) atm = 0.970065928 atm
P ≅ 0.97 atm
The temperature (T) = 293 K
Volume (V) = 1.31 L
Using ideal gas equation
PV = nRT
0.97 × 1.31 = n × 0.0821 × 293
n = 0.0528
mass of oxygen = no. of moles * molar mass
= 0.0528 * 32
= 1.6896 grams
C) His work proving that unseen bacteria can cause disease.
Answer:
The correct answer would be option D.
I statement would not be a valid response as it is the fact on which the conclusion was made.
On the conclusion provided, one should ask about the cell type used in the study and the amount of chemicals those cells were exposed to.
Different types of cells may response in different manner against a particular chemical. For example, stem cell would response in different manner whereas differentiated cell would response in different manner.
Similarly, the amount or concentration of chemical plays important role in any reaction or cellular response. For example, the affinity of haemoglobin is high towards oxygen in alveoli whereas it is high towards carbon dioxide in body cell.
So, the correct answer would be option D.
