Answer:
female, female
Explanation:
this is because sex-linked characters are normally borne in the X-chromosome
The layers above would be not as old and the layers below would be the older layers.
Humans and Apes evolved separately from monkeys. Hope this helps.
Increase in urbanization will lead to increase in the number of people who are living in an urban area and it will also lead to increase in development in that area. The increase in development can come in form of construction of industries, which release large amount of waste products that pollute the air. This will lead to air pollution and reduce air quality. Development can also be in form of availability of electricity, that makes it possible for people to operate different electrical gadgets such as radio and television, which can result in noise pollution. Increase in the number of people who operate motor vehicles will also lead to increase in air pollution, which is caused by fossils fuel.