How much marks required in nat test?

Give one false statement about deserts? Who is a beach bum? Is leaning back in your chair healthy? What washes up on beaches? How does the climate vary along the length of the Mississippi river? Why is mount everest called the roof of the world? What are the characteristics in OB? Are there otters on inland Michigan lakes? What is the postal code of El rehab city Egypt? What is the outlet of the Mississippi river? Where is the Amazons mouth? Were did the rocks for Stonehenge come from? why did union leaders want to control the Mississippi river? What is Erie known for? How does the industrialization affect tourism? How did Michelangelo sign his contract for the Sistine Chapel? Should a 5 year old kid have a root canal? Why were these materials used to construct the great wall? Why did they built the san Fernando in that location? Which of these rivers is east of the Andes mountains Amazon River Mississippi river Zaire river or Nile river?