Separated Id water to the mixture of sodium
odium chloride will dissolve while Copperiis ot!
ilter and heat the filtrate to dryness to obtain sodium
chloride
Distinguish between mass number and atomic number
Atomic number state the number of protons present in anatom
while mass number indicates the total of the number of protons
and the number neutrons presentin anatom
4 An isotopoer Q has a mass number of 34 and 18 neutrons
li) Draw the atomic structure of Q​

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .