A certain country has the following population statistics: Immigration = 1%, Crude birth rate = 2%, Crude death rate = - 1%,
Emigration rate = 4% What is the CBR + Immigration of this
country?
HINT:(CBR + Immigration) - (CDR+Emigration) = Population
Growth Rate
А
3
5

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

What protects the lining of the stomach from acidic gastric juices?

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?