The blinds have pulleys. To pull them up and down.
Answer:
population pyramids
Explanation:
Population pyramids show the structure of a population by comparing relative numbers of people in different age groups.
Population structures differ markedly between Less Economically Developed Countries LEDCs and More Economically Developed Countries MEDCs.
The shape of a population pyramid can tell us a lot about an area's population.
Usually pyramids are drawn with the percentage of male population on the left and percentage of female population on the right.
It gives us information about birth and death rates as well as life expectancy.
B (the romans) is the correct answer...
Answer:
No it will not stay the same for the next 30 years
Explanation:
We are polluting the planet vey fast and so fast that the planet cannot recover. Just thing of the virus spreading and now spreading so fat that we have no time to cure it .