The answer is D. In caste systems you are born into a certain level of society and cannot change that.
Answer:
Without rainforests, we won't be able to make anymore medicine because plants in the rainforest are being studied for new types of medicine. Another reason is that all the animals there will die and have no habitat, also the rainforests supply a vital amount of oxygen to the planet and without it every oxygen breathing creature would die, and trees take carbon dioxcide out of the air and so there is more room for oxygen.
Explanation:
Answer:
Ocean water is evaporating all the time and rising the temperature and humidity of the air so it forms rain and storms that are then carried by trade winds.
Explanation:
From an overall perspective, A would be the best answer. Since the Nile River has always been one of the biggest rivers in history, it would most likely sustain life for the people. As well as the mediterranean, people for thousands of years relied on the Mediterranean Sea for their food and even their transportation.
the most populous country in the world is CHINA