Songs for birds give them a communication system so that they can alert other birds and also to attract mates.
In biological terms, this effect would be<u> "diffusion".</u>
Diffusion is a spontaneous movement of particles from a territory of high focus to a zone of low fixation. (ex. tea seasoning moving from a zone of high to low fixation in heated water.)
Diffusion predominantly happens in gaseous state or inside gas atoms and fluid molecules.(e.g. The particles of 2 gases are in steady movement and if the layer isolating them is evacuated the gases will blend due to arbitrary speeds.)
Explanation:
Liberal is accepting from different ideas and opinions. A person that who promotes or tolerates political, social and religious change.
Answer: True
Explanation:
Productivity seldom changes in a work environment, and it also depends on the structure of the organization or work environment. most work environment enables employee's to think critically which depends on the nature of the job, some employees think of their KPIs, some think on their tasks and others think of the work pressure, all this contribute to the improvement of the employee on the job. This still proves Hawthorne studies that productivity seldom changes in a work environment because everyone is involved in the thinking process.
Answer:
C) They have a wider range of memorization and creativity skills upon entering school.
Explanation:
The reason why the students of middle class families are more successful as compared to lower class families is because they are taught a wider range of creative and memorization skills. This is because of their better nutritional health as compared to poor children which is helpful in cognitive development.
The education and vision of parents of middle class students is better than poor families.
