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Explain what causes the length of the shadow to change during the day.

How old is the sun and since it's birth, how has the sun changed?

What is the least densely populated country in the european union?

What is the second-largest country in South Asia? A. Pakistan B. India C. Bangladesh D. Nepal

What type of land is found in the western part of australia

Apa yang dimaksud dengan komunitas

How the moon was formed

Which of the following kinds of environmental problems is irreversible? A. Water pollution B. Extremely high atmospheric carbon dioxide levels C. Polar ice pack melting D. Species extinction

How can we calculate the mean temperature of a particular place?

What conditions make for a violent volcanic reuption?