Answer:
Ironically, stress does improve concentration for a very short period of time. This is due to the body releasing chemicals into the brain to help it focus and pushing adrenaline into the bloodstream in order to heighten the senses, which helps the body hone in and focus on tasks at hand.
Explanation:
3.
To allow oxygen molecule into the leaf to start photosynthesis, and to allow carbon dioxide out of the leaf after photosynthesis is over.
Answer: The second factor that leads to fluidity is the nature of the phospholipids themselves. In their saturated form, the fatty acids in phospholipid tails are saturated with bound hydrogen atoms; there are no double bonds between adjacent carbon atoms. This results in tails that are relatively straight
It is true that the energy used for metabolic processes reduces the efficiency of secondary productivity. :)
The difference of atmosphere causes the high and low pressure areas that lead to air movement.