Consider the demographics for two countries: one with a low-income, almost impoverished population; they other an economically well-off country. what
factors listed would contribute to the decline in birth rate and the larger +75 population in the high income country? check all that might apply.
a.)females have access to educational resources
b.)better nutrition, increased food supplies and distribution
c.)there has been widespread emigration during the last few decades
d.)inadequate health care for women during pregnancy and for their babies after birth
e.)a high incidence of infectious disease
f.)good sanitation and personal hygiene

answer: c

explanation:

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.