Answer: planets have to be a certain size
Explanation:
Over time Pluto has gotten smaller leading it to be a dwarf planet
Answer:
Below
Explanation:
The greatest difference between modern and ancient life exists in the domain of health. According to one historical record, three hundred thousand new-borns use to die in the glorified Roman Empire. The life expectancy rate in the early society was 25 years, however people who managed to make it in the adulthood used to pass the age of 70. Secondly, pre-historic people used to have different kinds of herbs that helped them in dealing with different health issues. Today we have machines from which you can even regulate the pumping of the heart.
Answer:
The population of sub-Sahara Africa has grown from 186 million to 856 million people from 1950-2010. That’s about 11 million people a year for the past 60 years or approximately 670 million people in 60 years. By 2060, the population of sub-Sahara Africa could be as large as 2.7 billion people.
Answer:
All of the above is true about the waxing gibbous and waning gibbous moon.
Explanation:
The first option is correct because the waxing gibbous moon is lit up on the right, with the moon moving into full moon phase next, and then being followed by a phase where it is lit up on the left, known as the gibbous waning moon.
The second option is correct because the moon moves from the waxing gibbous phase toward the full moon phase, it is becoming more and more lit up, thus it gains light, while the waning gibbous moon phase comes after the full moon phase where it is becoming less and less lit up, thus loses light.
The third option is correct because the lit up part of the moon in both of these phases has an elliptical shape, with the elongated part being on the top and bottom side, thus giving it an appearance like a football.
