Answer:
B
Explanation:
The muscular and nervous systems enable the involuntary breathing mechanism. The main muscles in inhalation and exhalation are the diaphragm and the intercostals (shown in blue), as well as other muscles. Exhalation is a passive action, as the lungs recoil and shrink when the muscles relax.
Answer:
The carbon cycle mainly is the relationship among carbon dioxide, glucose and carbon.
Explanation:
The carbon cycle as a reference point we can say that it starts in air, with the carbon dioxide dissolved in it. Plants or phytoplancton can absorbed it to transform into glucose or other organic compound useful for plants of plancton. During this process the carbon cycle is closely related with oxygen cycle and metabolic processes in living things.
After the carbon is absorbed it can be regenerating as carbon dioxide by bacteria or animals to the air after getting the sufficient carbon for the glucose structure or another organic compound necessary for these living things.
The other way of carbon, is that can be deposit in soil as carbon and with time can be transformed into oil by bacteria but in an anaerobic environment not in an aerobic environment.
It;s a physical change because the tablet dissolved and it made the water cooler
Answer: 60.7 g of 
will be formed.
Explanation:
To calculate the moles :
The balanced chemical reaction is
is the limiting reagent as it limits the formation of product and 
is the excess reagent.
According to stoichiometry :
6 moles of produce = 4 moles of
Thus 2.68 moles of will produce=
of
Mass of 
Thus 60.7 g of will be formed by reactiong 60 L of hydrogen gas with an excess of
Answer:
Explanation:
At 5 s the body has travelled 10 m.
Between 5 s and 10 s, the body reached 30 m.
Distance travelled = 30 m - 10 m = 20 m
Time = 10 s - 5 s = 5 s
