Answer: A). 2.7 million people per year
Explanation:
From 2000 to 2010 is 10 years. Change in population in 10 years = population at the beginning of 2010 minus the population at the beginning of 2000. This is:
309 million -282 million = 27 million.
Therefore average change in population person year = 27 million/10 = 2.7 million per year
I think it's label B..I'm not 100% sure though.
First question: ans= D
second question: ans=A
Answer:
If cellular respiration and photosynthesis stops performing their role in carbon cycle all the plants and animals will end up dying. This is because they are dependent on the carbon cycle for survival.
Explanation:
We need a respiratory system to live because it is made up of organs that allow us to breathe. When we breathe, we deliver oxygen to the cells in our body to get energy from our food. This helps us live.
