Brain can process and store lot of information. Large brains means large heads, which makes childbirth more difficult and painful for human mothers.
Explanation:
A larger brain provides better performance. human brain size increases rapidly. Human brains are larger, more complex brains which enabled humans of this time period to interact with each other and with their surroundings in different ways.
The prefrontal cortex is slightly a larger part in the human brain. Humans have the largest cerebral cortex. It is a sheet of brain cells that folds itself multiple times in order to fit inside the skull. It enables us to process everything we see and hear and think.
Answer: (i) Air pressure inside the bell jar increases.
(ii) The balloons inside the jar expand.
(iii)This is similar to the expansion of the lungs during inhalation.
(iv)This is similar to the contraction of the lungs during exhalation.
Explanation:
Answer:
The three fatty acids can be different from one another. Since the hydrocarbon chains are very non-polar, fats do no dissolve in water; instead, fat molecules tend to coalesce with one another. Since a fat molecule has 3 fatty acids connected to a glycerol molecule, they are also called triglycerides.
Answer:
D
Explanation:
DNA pairs with adenosine, thymine, cytosine, and guanine
RNA pairs with uracil, adenosine, cytosine, and guanine